SIENA European Roadmap on Grid and Cloud Standards for e-Science and Beyond

SIENA European Roadmap on Grid and Cloud Standards for e ... |

ong>SIENAong> ong>Europeanong> ong>Roadmapong>

on Grid and Cloud Standards

for e-Science and Beyond

Use Cases & Position Papers

ong>SIENAong> is a Specific Support Action funded by the GÉANT & e-Infrastructure Unit, DG Information Society & Media, ong>Europeanong> Commission


Executive Summary................................................................................................................................................3

Introduction: Forces Driving Change............................................................................................................. 5

Future ong>Europeanong> e-Infrastructure...................................................................................................................6

e-Infrastructure Requirements.........................................................................................................................8

e-Infrastructure Technology.............................................................................................................................9

Enabling Standards.............................................................................................................................................. 10

International Co-ordination.............................................................................................................................12

Clouds Standards Coordination.....................................................................................................................13

Conclusions/Recommendations/Future Directions........................................................................... 14

Target Audience....................................................................................................................................................15



ong>Roadmapong> Editorial Board (REB) Member List........................................................................................... 16

ong>SIENAong> Project Description – 18

Cloudscape III Use Cases & Position Papers............................................................................................. 19

The ong>SIENAong> ong>Europeanong> ong>Roadmapong> on Grid and Cloud Standards for e-Science and Beyond


The ong>SIENAong> ong>Europeanong> ong>Roadmapong> on Grid and Cloud Standards for e-Science and Beyond



The views expressed in this roadmap are those of the authors and do not necessarily reflect

the official ong>Europeanong> Commission’s view on the subject.

ong>SIENAong> ong>Europeanong> ong>Roadmapong> on Grid and

Cloud Standards for e-Science and Beyond

Executive Summary

The future ong>Europeanong> electronic infrastructure for research (e-infrastructure) needs to

integrate federated and virtualised technologies based on geographically distributed

information and communications technology (ICT) resources in a secure and interoperable

way. Such ICT resources will be provided by both the public sector and commercial vendors

and be dynamically and flexibly accessed on demand to provide a set of common services

for the communities they serve.

A driving force for e-infrastructures in Europe is data intensive science exemplified in

Europe by existing research projects at national and ong>Europeanong> levels 1 , and future projects

such as those described in the ong>Roadmapong> of the ong>Europeanong> Strategy Forum on Research

Infrastructures, commonly referred to as the ESFRI projects 2 . Our focus is to identify

the core common requirements relating to the provision of e-infrastructure that the

communities have rather than the specific functionality used by particular communities. A

high-level description of these requirements, and especially those that are common to all

or most projects, is contained in the report of the ong>Europeanong> E-Infrastructure Forum 3 . Other

relevant documents describing e-infrastructure requirements have been produced by the

e-Infrastructure Reflection Group (e-IRG) 4 and the High Level Expert Group on Scientific

Data 5 .

An overarching and fundamentally important characteristic of an e-infrastructure is the

interoperability of its component technologies. Failure to achieve interoperability can have

powerful negative consequences for cost and efficiency of operation, and for the research

productivity of user communities of an e-infrastructure. Interoperability is best achieved

through adherence to a set of open standards and agreed principles. Work to establish such

a set of standards is ongoing for the e-infrastructure components, the services, and the

metadata, and will continue for the foreseeable future. Agreed principles are important to

achieve interoperability as a temporary measure while an agreed set of open standards is

being developed.

Due to the highly diverse, domain specific requirements of different user communities,

there is a risk of fragmentation in the development of e-infrastructure. The fact that

funding for public infrastructure comes primarily from the independent Member States

The ong>SIENAong> ong>Europeanong> ong>Roadmapong> on Grid and Cloud Standards for e-Science and Beyond


1] See, for example, the book edited by Hey and Gray





The ong>SIENAong> ong>Europeanong> ong>Roadmapong> on Grid and Cloud Standards for e-Science and Beyond

of the ong>Europeanong> Community also represents a risk for fragmentation due to national

objectives (e.g. budgetary) possibly being misaligned with ong>Europeanong> level needs. These risks

apply equally to research e-infrastructure and to e-government infrastructure, the use of

ICTs in public sector activities. The most important recommendation of this roadmap is to

undertake determined and targeted efforts to discourage fragmentation, and to encourage

and participate in the development of an adequate set of structures - both organisational

(e.g. governance, single sign on, etc.) and technical (e.g. open standards, security, software,

etc.) to ensure the interoperability of future ong>Europeanong> e-infrastructures for research and



Introduction: Forces Driving Change

Powerful economic and environmental forces are driving a major evolution in the way

information and communications technology (ICT) is provisioned for user communities

in industry and the public sector. Economies of scale are driving consolidation of IT resources

into a smaller number of ever larger data centers. Data centers with hundreds of thousands

of computational and storage units are no longer uncommon. Considerations of the cost

of powering and cooling such large concentrations of electronic equipment, together with

environmental concerns, drive the placing of such data centers in geographic locations

where power is plentiful and inexpensive. As communities become more dependent on ICT

resources, the desire to assert their ownership of their data, legal concerns on the locality

of the data, and the need for geographical redundancy may lead to a diffusion of data

centres. The forces now driving change within ICT are many and potentially contradictory,

leading to different solutions that optimise the needs of different communities and their

use cases.

These forces and their consequences simultaneously enable and drive the move towards a

utility model of ICT. The current manifestation of this model is cloud computing through

the commoditisation of the underlying virtualisation technology and the globalisation of

service provision. The dynamic flexibility and reduced cost of accessing ICT resources in the

cloud are beginning to overwhelm most other considerations on provisioning ICT resources.

Such a fundamental shift poses numerous challenges to user communities. For example

the Integrated Sustainable Pan-ong>Europeanong> Infrastructure for Researchers in Europe (EGI-

InSPIRE) project partially funded by the EC is responding to the demands from its user

communities by exploring aspects of cloud computing, notably flexible and elastic

provisioning, within its grid of federated resource providers. This document addresses a

number of these challenges, with a primary focus on standardization and interoperability

of the infrastructures built around the utility model.

Finally, market forces may be working against standardization in cloud computing 6 .

The differing requirements of diverse customer communities lead naturally to market

segmentation. These differing requirements also enable vendor differentiation through

the development of different cloud architectures to address different market segments.

Competition among vendors can then lead to locking customers into distinct cloud


The ong>SIENAong> ong>Europeanong> ong>Roadmapong> on Grid and Cloud Standards for e-Science and Beyond


6] See article “Cloud Computing Standards – Not This Year”, by John Considine, January 2011 at

The ong>SIENAong> ong>Europeanong> ong>Roadmapong> on Grid and Cloud Standards for e-Science and Beyond


Future ong>Europeanong> e-Infrastructure

Electronic infrastructures at a ong>Europeanong> level are becoming fundamental resources for

supporting activities across the public sector - primarily e-research, e-government and

e-health - as society attempts to exploit the data deluge it is facing from the numerous

existing and future digital data sources. Obtaining knowledge from this data to benefit

many areas of society requires convergence at three main levels:


The provision of a cost-effective, flexible, adaptable and reliable e-infrastructure that is

able to support different user groups and use cases;


Access to persistently identifiable data sources - open access for public data and

restricted access for confidential data;


The development of appropriate applications, algorithms and environments that use the

e-Infrastructure to extract knowledge from the data sources.

Tackling these issues cuts across many of the areas identified within the Digital Agenda for

Europe 7 as being critical for Europe’s continued growth towards a smart society: reducing

the fragmentation of services, improving their interoperability, providing secure access to

valuable data and resources, driving innovation and development in these services, and

educating a generation of users and developers in the benefit of such technologies.

Europe has already built up significant knowledge and momentum in one public sector

area - e-research - after over a decade of investment through the ong>Europeanong> Commission’s

Framework Programmes and national funding sources. A succession of projects has resulted

in capacity building across Europe and its regional partners in both grids of high throughput

computing (e.g. EGEE 8 , EGI-InSPIRE 9 ) and high performance computing (e.g. DEISA 10 , PRACE 11

that are linked by the pan-ong>Europeanong> networking infrastructure GÉANT 12 . Alongside the

establishment of this e-infrastructure, innovative scalable middleware 13 has been developed

and deployed into operation to meet the needs of researchers across many disciplines

investigating such scientific and societal challenges as particle physics, the human genome,

or climate modeling.

The e-research community comprises researchers in such domains as high-energy physics,

astronomy and astrophysics, energy research, and the earth, material, biological and life

sciences. For this e-research community, the next decade will see ong>Europeanong> e-infrastructure

being used as a foundation for establishing multi-national multi-disciplinary research

infrastructures such as those described in the ESFRI roadmap. Although the maturity of

these individual projects varies, together they have common needs that if provided

consistently across the sector will promote many aspects of the Digital Agenda for Europe

and provide cost-effective return on investment.

Central to meeting these different use cases across the public sector is to provide a best








of breed e-infrastructure that brings together public and commercial providers to deliver

a series of increasingly sophisticated platforms that are tuned to the particular needs of

these communities. At the heart of this vision is the provision of a federated, virtualised



Federated: Bringing commercial and public sector providers from different countries that

are able to inter-operate with each other - ultimately through the adoption of open



Virtualised: Using new and emerging software to flexibly partition these resources on

demand to meet the needs of various user communities dynamically;


e-infrastructure: Having a set of common services (e.g. identity management, accounting,

provisioning, data access, etc) that provides a platform for adoption, portability and reuse

across different communities.

The vision presented in this document is by no means guaranteed. The investment that has

been committed by national governments and the ong>Europeanong> Commission in GÉANT, EGI and

PRACE provides vital structural building blocks in the e-infrastructure community, but in

moving from core e-infrastructure to higher-level components the priorities for investment

begin to diverge across Europe and between communities. The need for software to

manage, deploy and run in the federated virtualized environments remains. To avoid a single

monolithic software deployment across Europe the development and implementation of

standards remains essential if individual sectors are not to fragment into using their own

bespoke and non-interoperable software solutions.

While the Infrastructure as a Service (IaaS) model is at the heart of this vision for Europe as

a whole, it will be used as a basis for deploying platforms (Platforms as a Service - PaaS) and

software, notably application software (Software as a Service - SaaS) that are developed to

meet the needs of particular communities.

The ong>SIENAong> ong>Europeanong> ong>Roadmapong> on Grid and Cloud Standards for e-Science and Beyond


The ong>SIENAong> ong>Europeanong> ong>Roadmapong> on Grid and Cloud Standards for e-Science and Beyond


e-Infrastructure Requirements

Different communities will have different needs from the future ong>Europeanong>

e-infrastructure. Our focus is to identify the core common requirements relating

to the provision of e-infrastructure that the communities have rather than the specific

functionality used by particular communities.


Single Sign-On: Inter-domain access to services from different communities demands

secure, portable, electronic identity that can be used across different service providers.

The federated identity providers that are being established in Europe present one

possible solution to this requirement.


Security: Supporting secure and dynamic resource (including data, knowledge, and services)

sharing and collaborations across institutional and national boundaries is an essential part

of achieving the vision of an e-infrastructure. Robust electronic authentication capable of

reliably identifying remote users (human beings or software components) with a certain

level of assurance in authentication strength is an important pre-requisite to facilitate

effective user authorisation and fine-grained access control to distributed services 14 .


Group Management: Managing individual access to resources across Europe is not feasible

considering the number of users and resources. Using group based access control, such

as the virtual organisation models used in grids, the project model used in HPC and the

attributes model used in federated identities, provides a more scalable access control



Persistent Data Identifiers: The ability to uniquely identify a data set, and from that data

set identify its ownership, access rights, privacy attributes provenance, life-time, stored

locations, etc. is vital for systematic reuse of data across communities.


User Support: Support is needed for all types of users (end-users, system administrators,

developers, etc.) across the complete life-cycle of e-infrastructure adoption. This

includes training on the deployed technologies, consultancy on their use and problem

solving when something goes wrong. This is needed both for the core infrastructure and

any domain specific software that is deployed on top of it.


Virtualisation: Communities need to deploy their own services, potentially co-located

with particular data sets, on sites across Europe on demand. Such activity can then be

decoupled from the deployment activities of other communities.


High Throughput Data Analysis: Such communities need to be able to move large datasets

to where the computing resources are available, and to move the results from such

analysis to where long-term storage capacity is available. In addition to the previous

requirements this requires a high-performance pan-ong>Europeanong> networking infrastructure

closely coupled to data-centres with large computing and storage capabilities as

supported through the EGI-InSPIRE project.


High Performance Computing: Peta-scale computing resources are essential for the small

proportion of researchers solving science’s most demanding problem through projects

such as PRACE. Efficient access to the small number of peta-scale machines in Europe is

facilitated through high-performance networking links.

14] See E-infrastructure Security: Levels of Assurance Final Report:

e-Infrastructure Technology


-infrastructure in Europe has reached a production status over the last decade by

driving innovation in middleware and networking technology. This innovation needs to

continue over the next decade in areas such as:

» » Virtualisation: High-quality hypervisors that underpin virtualisation in modern datacentres

are becoming commonplace. Commercial solutions provide integration with

data centre operations. Open-source solutions, such as the OpenNebula environment,

are being used as powerful tools for innovation and interoperability in the research

community, and as platforms to implement new standards in cloud computing.”

» » Networking: Driven by the worldwide growth of the Internet commercial networking

solutions are available for deployment to support public service activities. A focus on

on-demand cross-domain provisioning of high-speed data transfer links (light paths) with

defined service level agreements is an area which needs continuing investment.

» » Software: The software platforms and services necessary to federate the virtualised

resources to provide seamless access and to run within the virtualised environments

continue to need investment. Increasingly, investment needs to take place through

acquisition of commercially provided software solutions where they exist and allowing

the research community to innovate through open-source software in areas where they

can add unique value beyond the scope of commercial solutions.

The ong>SIENAong> ong>Europeanong> ong>Roadmapong> on Grid and Cloud Standards for e-Science and Beyond


The ong>SIENAong> ong>Europeanong> ong>Roadmapong> on Grid and Cloud Standards for e-Science and Beyond

Enabling Standards

Standardisation and interoperability are invaluable characteristics to a successful

application of distributed computing.

The importance of the need for open standards to support interoperability goals is now

well documented in the e-business world. Of particular relevance to the e-research and

e-government communities are the statements made in the EICTA Interoperability White

Paper of 2004 15 , the ETSI White Paper No. 3. “Achieving Technical Interoperability” 16 and

the EC’s ong>Europeanong> Interoperability Strategy (EIS) 17 and Interoperability Framework (EIFv2) 18

documents of 2010.

Given a policy of using open standards to achieve interoperability, the next question is

which standards? At present this is not easy to answer. There are many initiatives to define

the optimum set of standards to support all aspects of cloud computing 19 , but as yet the full

set does not exist. Putting in place the necessary on-going procedures for tracking emerging

standards and technologies in order to a) set up and maintain a central agreed list of open

standards, and b) provide best practice advice to e-infrastructure projects, is a significant

task, and will require future investments. In an effort to align the needs of both the research

and e-government communities it may be beneficial to take into consideration current EC

work on Project CAMSS 20 and 21 .

However the following questions will persist for some time to come:

1. How does one proceed with interoperability if sufficient standards do not yet exist?

2. What happens if a large market develops for commercial offerings without open standard


3. What if relevant open standard specifications exist but are not, or not yet, supported by industry?


The EIS/EIF provides the following pragmatic guidance on these questions which should be

equally applicable to the research communities:


Public administrations may decide to use less open specifications, if open specifications

do not exist or do not meet functional interoperability needs.


In some cases, public administrations may find that no suitable formalised specification is

available for a specific need in a specific area. If new specifications have to be developed,

15] EICTA Interoperability white paper

. In March 2009 EICTA was rebranded DIGITALEUROPE.

16] ETSI White Paper No. 3 Achieving Technical Interoperability - the ETSI Approach. By Hans van der Veer (Alcatel-

Lucent), Anthony Wiles (ETSI Secretariat). 3rd edition, April 2008.

17] COM(2010) 744 final, Annex 1

18] COM(2010) 744 final, Annex 2

19] See, for example

20] . CAMSS, an initiative of the ong>Europeanong>

Commission’s IDABC programme, aims to initiate, support and coordinate the collaboration between

volunteer Member States in defining a “Common Assessment Method for Standards and Specifications” and to

share the assessment study results for the development of eGovernment services.

21] . SEMIC.EU is a participatory platform and a service

by the ong>Europeanong> Commission that supports the sharing of assets of interoperability to be used in public administration

and eGovernment.

public administrations may either develop the specifications themselves and put forward

the result for standardization, or request a new formalised specification to be developed

by standards developing organisations.

» » Even where existing formalised specifications are available, they evolve over time

and experience shows that revisions often take a long time to be completed. Active

government participation in the standardization process mitigates concerns about

delays, improves alignment of the formalised specifications with public sector needs and

can help governments keep pace with technology innovation.

In the context of the ong>SIENAong> ong>Roadmapong>, it is essential that the research communities

who need e-infrastructures for their work define their requirements of the relevant

e-infrastructures. Without such definitions and conformance, little can be done to furnish

standards-compliant solutions that meet any community requirements. They should also

support and contribute to the current standardization initiatives and not seek to re-invent

wheels. As an interim measure they should consider building adaptors to fill gaps in the

standards landscape, but adapters should not be seen as the long term solution to achieve


The ong>SIENAong> ong>Europeanong> ong>Roadmapong> on Grid and Cloud Standards for e-Science and Beyond


The ong>SIENAong> ong>Europeanong> ong>Roadmapong> on Grid and Cloud Standards for e-Science and Beyond

International Co-ordination

Work on the ong>SIENAong> roadmap complements that of the far larger US National Institute

of Standards and Technology (NIST) Cloud Computing Program 22 . A US Federal Cloud

Computing Strategy document has been released which outlines the Federal Government’s

approaches to Cloud Computing 23 . The ong>SIENAong> project is concerned with e-infrastructure for

research including grids and clouds. The NIST program is concerned with government use

of cloud computing. The NIST SAJACC initiative 24 develops cloud system use cases to drive

the formation of cloud computing standards.

Cross communication between ong>SIENAong> and the NIST program is proving beneficial. A number

of members of the ong>SIENAong> REB are also participants in the NIST cloud computing expert


Similar work is going on in Japan 25 China 26 and other countries. The NIST program in the

US, GICTF in Japan, and CESI in China are all potential partners in evaluating potential cloud

standards relevant for ong>Europeanong> e-infrastructure.




23] Federal Cloud Computing Strategy - Vivek Kundra U.S. Chief Information Officer, February 8th 2011. www.nist.



25] See and the presentation “Smart Cloud Strategy in Japan” by Yasu Taniwaki, Division

Director, ICT Strategy Division, Japanese Ministry of Internal Affairs and Communications, November 2010


Clouds Standards Coordination

Cloud standardisation efforts led by the Distributed Management Task Force (DMTF),

the Storage Networking Industry Association (SNIA) and the Open Grid Forum

(OGF) are frequently cited as being enablers that could have a major impact on compute

infrastructure in the future. Work on additional standards for various aspects of cloudbased

services is underway in the Organisation for Advancement of Structured Information

Standards (OASIS) and the Internet Engineering Task Force (IETF). At the same time, market

adoption of some of these standards is mixed, and different regions (US, China, Japan) are

still evaluating their approaches to cloud standards, so it is difficult to predict whether

consensus will emerge in the near term. The standards listed below that have emerged from

analysis of use cases collected to date are being coordinated through an alliance between

the OGF and SNIA as well as through a cross-SDO cloud standards collaboration group 27 :


Open Virtualization Format (OVF) 28 developed by DMTF. OVF is a packaging standard

designed to address the portability and deployment of virtual appliances. This is

recognised as a DMTF, ANSI standard categorized under IaaS, Interoperability. There are

firms who provide tools for conversion between various appliance formats, including

OVF format to Amazon Machine Image (AMI) format. 29


The Open Cloud Computing Interface (OCCI) 30 developed by the OGF. OCCI describes

application programming interfaces (APIs) that enable cloud providers to expose their

services. It focuses on “IaaS” based clouds and allows the deployment, monitoring

and management of virtual workloads (like virtual machines), but is applicable to any

interaction with a virtual cloud resource through defined http(s) header fields and

extensions. While there are several open-source implementations, OCCI has not yet been

widely adopted in commercial platforms. OCCI is also an input to the DMTF standard for

cloud management.


The Cloud Data Management Interface (CDMI) 31 developed by SNIA. CDMI defines the

functional interface that applications use to create, retrieve, update and delete data

elements from the Cloud. CDMI is not yet widely implemented in commercial platforms.

Other standards may emerge that enable interoperability between clouds and grids. For

example, the OGF GLUE 32 standard provides one information model for describing grid

and cloud entities while the CIM model from DMTF 33 provides an alternative model used

frequently in industry.

The ong>SIENAong> ong>Europeanong> ong>Roadmapong> on Grid and Cloud Standards for e-Science and Beyond


27] See the summary at; the Cloud Standards Wiki is available at

28] A description is available at




32] GLUE Specification v. 2.0, by S. Andreozzi (INFN); S. Burke (RAL); F. Ehm (CERN); L. Field (CERN); G. Galang (ARCS);

B. Konya (Lund University); M. Litmaath (CERN); P. Millar (DESY); JP Navarro (ANL). March 2009


The ong>SIENAong> ong>Europeanong> ong>Roadmapong> on Grid and Cloud Standards for e-Science and Beyond

Conclusions Recommendations Future Directions

The most important recommendation of this roadmap is to:

Undertake determined and targeted efforts to discourage fragmentation, while at

the same time preserving innovation in the development of e-infrastructure.

In support of this recommendation we believe the following actions are necessary by all

stakeholders to achieve the desired outcomes:

Fund participation in the long-term development of an adequate set of open standards

to ensure the interoperability of future ong>Europeanong> infrastructures for research and


Public sector and commercial providers should engage more to explore shared standards


An ongoing process is needed to track emerging standards, technologies, and best practices

in order to create and maintain a structured repository of open standards (from various

SDOs) for grids and clouds, and provide updated guidance to ong>Europeanong> e-infrastructure

projects. This activity will benefit from interaction with worldwide initiatives and other

ong>Europeanong> projects (e.g. NIST, GICTF, CESI, CAMSS 34 , 35 , etc.).

Encourage and fund the definition of sound security policies concerning the access, use

and provisioning of services within distributed infrastructures.

Introduce guidelines for dealing with data privacy, long term data curation, liability and

taxation issues in clouds and grids for work across legislative boundaries.


Fund procurement of open source or commercially provided software solutions

allowing the research community to innovate in areas where they can add unique value

beyond the scope of commercial solutions.

Fund on-demand cross-domain provisioning of high-speed data transfer links (light

paths) with defined service level agreements.

Involve ong>Europeanong>s citizens in e-science through volunteer computing (using, e.g.,

desktop grids and clouds).

34] See also footnote n. 20.

35] See also footnote n. 21.

Target Audience

This initial draft document is for circulation to the ong>SIENAong> ong>Roadmapong> Editorial Board (REB),

Industry Expert Group (IEG), Special Liaison Group (SLG) and the ong>Europeanong> Commission.


Since October 2010, REB members have been contributing material to the ong>SIENAong> Wiki. The

material is structured according to a table of contents for a final document. This initial draft

has been prepared as a ong>SIENAong> deliverable to the EC. The REB has developed a publishable

version circulated at Cloudscape-III (Brussels, 15-16/03/2011). The REB will then integrate

further elements, namely the use cases presented at Cloudscape III from ong>SIENAong> and NIST.


This document addresses requirements, technologies, and interoperability and standards

for e-infrastructure to support existing, ongoing, and future research in the ong>Europeanong>

Research Area. The term e-infrastructure encompasses the distributed information and

communications technologies (ICTs), together with federating software, that together

provide services and access to resources needed to support public sectors such as research

in the natural and social sciences and humanities. While not a focus of this specific

document, some consideration is given to aspects of e-infrastructure that apply also to

e-government. The most recent ong>Europeanong> Commission call under Framework Programme 7

for proposals relevant to e-infrastructure can be found in the ong>Europeanong> Commission Work

Programme 2011 Capacities Part 1 Research Infrastructures 36 .

The ong>SIENAong> ong>Europeanong> ong>Roadmapong> on Grid and Cloud Standards for e-Science and Beyond



The ong>SIENAong> ong>Europeanong> ong>Roadmapong> on Grid and Cloud Standards for e-Science and Beyond

ong>Roadmapong> Editorial Board (REB) Member List

REB Member Role & Organisation Country

John Borras Independent Consultant & OASIS United Kingdom

Goetz-Philip Brasche

Mark Carlson

Guy Coates

Juan Cáceres

Program Director Cloud Computing EMIC

& Venus-C representative

Senior Architect, Oracle & SNIA & DMTF


Group leader, Informatics systems group

at Wellcome Trust Sanger Institute

Middleware Technologies Specialist,

Telefónica I+D & StratusLab



United States

United Kingdom


Michel Drescher Technical Manager The Netherlands

Åke Edlund

Mike Fisher

Patrick Guillemin

KTH project manager and researcher &

ECEE representative

Distributed Computing Research

Group Leader BT & Chair of Technical

Committee, ETSI

ETSI Secretariat, Strategy & New



United Kingdom


Jenny Huang AT&T , OMG representative United States

Gershon Janssen

Independent Consultant & OASIS

Standards Group representative

The Netherlands


Craig Lee The Aerospace Corporation United States

Bob Marcus ET-Strategies United States

Ignacio Martin Llorente

Complutense University of Madrid &

OpenNebula representative


Steven Newhouse Director & EGI-InSPIRE Director The Netherlands

Alexander Papaspyrou

Morris Riedel

Alan Sill

Technische Univ. Dortmund & IGE


Jülich Supercomputing Centre & EMI


VP of Standards, OGF & Senior Scientist,

Texas Tech University



United States

Etienne Urbah LAL, Univ Paris-Sud & EDGI representative France

Martin Antony Walker Independent Consultant & REB Chair France

ong>Roadmapong> content has been contributed by members of the ong>SIENAong> ong>Roadmapong> Editorial Board

(REB) and Industry Expert and Special Liaison Groups (IEG and SLG), who also contributed

to the editing process. ong>Roadmapong> content structuring, production, and final editing were

done by Martin Antony Walker, REB chair, John Borras, co-chair, and Steven Newhouse,

Director of and EGI-InSPIRE, with contributions by Silvana Muscella, ong>SIENAong> technical

coordinator, and James Ahtes, ATOS Origin. Organisation and coordination of the REB and

editorial activities have been carried out by the ong>SIENAong> consortium.

The ong>SIENAong> ong>Europeanong> ong>Roadmapong> on Grid and Cloud Standards for e-Science and Beyond


The ong>SIENAong> ong>Europeanong> ong>Roadmapong> on Grid and Cloud Standards for e-Science and Beyond

ong>SIENAong> Project Description – www.sienainitiative.



IENA (RI-261575) the Standards and Interoperability for eInfrastructure Implementation

Initiative (2010-2012), is a Support Action funded by the ong>Europeanong> Commission

under Framework Programme 7 (2007-2013) Research infrastructures projects. ong>SIENAong> will

contribute to defining a future eInfrastructures roadmap focusing on interoperability and

standards, in close collaboration with the ong>Europeanong> Commission, Distributed Computing

Infrastructures (DCI) projects and Standard Development Organisations (SDOs) to gain an

in-depth understanding of how distributed computing technology is being developed in

this context. The roadmap will define scenarios, identify trends, investigate the innovation

and impact sparked by cloud and grid computing, and deliver insight into how standards

and the policy framework is defining and shaping current and future development and

deployment in Europe and globally.


15-16 March 2011

Brussels, Belgium

Use Cases &

Position Papers

CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward



Uses and perspectives from Science and Research

BiGGrid HPC Cloud.............................................................................................................................................23

Biology on the Cloud.........................................................................................................................................25

CONTRAIL - Open Computing Infrastructures for Elastic Services...............................................27

RESERVOIR - IaaS Cloud Interoperability..................................................................................................29

TClouds - Trustworthy Cloud Computing..................................................................................................31

ong>Europeanong> Distributed Computing Infrastructures

EDGI, DEGISCO & IDGF - ong>Europeanong> Desktop Grid Initiative, Desktop Grids for International

Scientific Collaboration & International Desktop Grid Federation................................................ 33

EGI - ong>Europeanong> Grid Infrastructure.............................................................................................................. 35

EMI - ong>Europeanong> Middleware Initiative......................................................................................................... 37

IGE - Initiative for Globus in Europe............................................................................................................39

StratusLab - Enhancing Grid Infrastructures with Virtualization and Cloud Technologies... 41

VENUS-C - Virtual Multidisciplinary Environments using Cloud Infrastructures.....................43

Business & Government

The shift to cloud computing in government in the EU......................................................................45

G-Cloud - UK Government Cloud Computing Infrastructure...........................................................48

CitySourced/FreedomSpeaks citizen services platform....................................................................50

CUSTOM - Cultural Heritage & Tourism Store on the Cloud............................................................52


Standards & Interfaces

OpenNebula - A reference open cloud stack to enable interoperable enterprise-class

cloud computing platforms............................................................................................................................54

OCCI - Open Cloud Computing Interface specification set..............................................................56

Legal, Economic, Ethical and Security Issues

Cloud computing and its ethical challenges............................................................................................58

VENUS-C study on economic and legal implications of sustainable scientific clouds......... 60

The Cloud: Understanding security, privacy and trust challenges..................................................62


Cloudscape III use cases and Position Papers for the ong>SIENAong>

ong>Europeanong> ong>Roadmapong> on Grid and Cloud Standards for

e-Science and Beyond

Cloud computing is expected to play a key role in the digital economy in Europe and beyond.

To ensure ong>Europeanong> citizens gain real benefits from the cloud, it is essential that we address

legal and institutional barriers, as well as technical challenges such as interoperability.

The ong>SIENAong> ong>Roadmapong> on grids and clouds for ong>Europeanong> research infrastructures and public

services addresses interoperability and standards and in the next 15 months is committed to

delivering a policy framework for distributed computing that ensures fair competition and

brings to bear ong>Europeanong> strategic priorities.

To help achieve these goals, the ong>SIENAong> consortium is drawing on Cloudscape III to showcase

speakers from all over the globe who will offer their personal insights on specific use cases

or interoperability issues surrounding Cloud computing.

The following use cases and position papers have been collected for the Cloudscape III

event, serving primarily as a sample of the cloud computing landscape. They highlight

potential challenges for deliberation at Cloudscape III and for the ong>SIENAong> ong>Roadmapong> Editorial

Board in the coming months, with the aim of shaping future developments and the ong>SIENAong>

ong>Roadmapong> itself.

The full collection of use cases and position papers are available at

CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward


CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward


Uses and perspectives from Science and Research

BiGGrid HPC Cloud

General overview and field of application

With the newly developed BiGGrid High Performance Computing (HPC) Cloud environment,

scientific researchers get access to their own Virtual Private HPC Cluster. It is a virtualized HPC

Cluster that users can configure to exactly match their needs, without interfering with the needs

of other users. It is flexible, offers self service and is dynamically scalable.

Users can start from existing templates (images), or build their own cluster from scratch. It is

even possible to make a copy from their current IT software environment (for example their

laptop or desktop pc) and turn that into a HPC cluster in our Cloud. In that way, there will be very

little difference between their development environment and their production environment.

There is no need for an (expensive) rewrite of their software, and scientific challenges can be

scaled up very easily from desktop scale to High Performance Compute cluster scale.

CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward

The importance of interoperability

For us the most important part of Cloud standards is that we offer infrastructure as a service,

but we want to hide all the differences and little details of hardware behind an abstract

interface or API. For example, it does not really matter which Cloud middleware we use and

which OS runs on the hosts to deploy our VMs, we use OCCI as an interface between our

GUI and OpenNebula. Also, we are finalizing an implementation of CDMI to have the same

setup for storage. CDMI will hide the complexities for users of where data is located in a

distributed cloud and which protocols they can use to access it. Also through CDMI users

can deploy a storage volume and manage their data, including fine grained authorizations,

without manual steps by our administrators.


Adoption of emerging or existing standards

We are also starting to work on an API for network configurations. Our users will be able to

manage many network settings by themselves, for example the creation of a VLAN between

VMs, setting firewall rules and setting up secure connections to their virtual machines.

Our goal is that we fully automate the management of virtual HPC clusters. All (skilled) end

users can be completely self supporting and can access and configure their virtual private

HPC cluster in the BiGGrid HPC Cloud through a secure and functionally complete API.

When these standards for compute, storage and network are complete, it can also be used

between Cloud clusters/providers to (automatically) negotiate migration of workloads.

Security configurations are especially important for this use case.

CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward

Finally, standards should be open, so everybody can benefit and end users will actually have

a choice of where to deploy.

Possible future cooperation

ECEE – Enabling Clouds for eScience – is an open collaboration spot for cloud projects in

Europe. The purpose with ECEE is to share experiences to find out as much as possible, as

quick as possible, about how clouds can help our users in their daily work.

eScience projects involved so far are NEON, BalticCloud, NGS, GRNET cloud, SARA cloud,

UCM (OpenNebula), StratusLab, VENUS-C, SEECCI and CESGA – which together represent

a fair share of the ong>Europeanong> cloud community. ECEE focus on interoperability-now, sharing

its input and requirements with ongoing standardization efforts. Meeting twice a year since

OGF28 in March 2010, the projects together share roadmaps, experiences and issues – trying

to identify: a common roadmap over all; gap analysis; “Market analysis” – today’s users,

tomorrow’s; Guidelines – best practices, quick start one-pager, checklists and practical ‘rules

of thumb’. A number of Focus Areas were identified at an early stage including: Security,

Metering, Accounting, Billing, Business models, Federation of clouds, Network and Licences,

Scheduling, load balancing (resource sharing, application correlation) and in making a list of

tested solutions, and their pros and cons.

Contacts: Floris Sluiter Ake Edlund

Organisation; SARA HPC centre KTH Royal Institute of Technology

Contact details:



Biology on the Cloud

The Cloud provides a wide range of infrastructure and software services that can be used

by the Biology user community. Indeed, experienced technical computing users are already

finding ways in which to use these services to augment their existing computing resources.

The greater promise of the cloud is that it can make technical computing pervasive,

opening up the field to new researchers who have not been traditional HPC users. These

researchers will be able to co-opt sophisticated cloud services provided by both academia

and commercial providers to aid them in their research. In this paper I will showcase two

Biology Cloud use cases which offer a number of advantages to users.

IaaS: Web-services Mirrors

The Ensembl project provides a variety of web services which allows researchers to visualise

and data-mine genomic data ( Ensembl has a world-wide audience and is

accessed 24 hours a day. Historically, the web service was hosted in a single UK datacentre.

Whilst this provided fast access to users in the UK and Europe, users in Asia and the

Americas found that access to the web services was slow, due the large latencies involved

in serving requests across the globe. Single site hosting also made the website vulnerable

to datacentre and network outages.

The global, distributed nature of commercial Cloud IaaS make them a useful building block

for providing world-wide availability and reach. Ensembl has used public IaaS providers to

build mirrors of its web services in the United States of America and Asia. Not only has this

massively increased the performance of the website for non ong>Europeanong> users, but it also

provides continued availability of service when the UK datacentre is offline.

Cloud hosting provides several advantages over hosting in a traditional co-location facility.

Installing real hardware in a remote co-location facility requires time-consuming and costly

logistics. Hardware has to be shipped to the facility and cleared through customs, and

staff need to be present on site to oversee hardware installation and initial provisioning.

In contrast, provisioning virtual hardware in a remote cloud IaaS facility can be done from

any location with internet access, whilst the “on-demand” facilities allow machines to be

provisioned within a matter of minutes

CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward


SaaS: Providing Informatics services for Next-Generation

Sequencing (NGS)

SasS provides new opportunities for organisations to provide IT services to researchers.

IT service provision for next-generation sequencing machines is a huge challenge. A single

sequencing instrument can produce approximately a terabyte of raw data per day and a

large sequencing study may end up with a total dataset of many hundreds of terabytes.

Dealing with this data is a challenge for organisations of all sizes, whether they are a small

lab with a single machine, or a large sequencing centre with many tens of machines.

CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward

Although sequencing manufacturers provide basic analysis software for their machines,

there is a whole extended eco-system of software that researchers typically want to run on

their data. The large volumes of data means that labs need to integrate their instruments

with a LIMS (Laboratory Information Management System), in order to organise and track

their data. Researchers will also want to run down-stream analysis on their data once it

comes off the sequencers; raw sequence data is typically only the first stage in a scientific

investigation. Down-stream analysis software is typically complex, and requires a highperformance

computing (HPC) infrastructure.

Rather than having to provide software and HPC support in house, the Cloud SaaS model

allows researchers to obtain LIMs and data analysis services from specialised bio-informatics


Using this model, researchers run a sequencing experiment in-house, and the raw data is then

uploaded to the SaaS providers, who will then analyse, track and store their data. Researchers

are therefore freed from having to manage their own LIMs and HPC infrastructure.

Whilst most sequencing SaaS is currently provided by commercial entities (eg https://, opportunities also exist for academic cloud

providers. Many large scale sequencing projects are carried out by large academic consortia,

composed of many different organisations with differing specialities. (eg the International

Cancer Genome Consortium Members of the consortium with a high level

of IT expertise can provide SaaS services to the whole of the consortium. These services

may be hosted on the consortium’s own infrastructure, or on cloud IaaS provided by a third

party. Private cloud SaaS provision within a consortium may be especially useful when

data-privacy and security policies make it impractical to host data on third-party cloud


Challenges remain. Although research organisations are connected by high speed networks,

these networks are currently not well connected to the commercial networks used by

commercial cloud providers. In practice, transfers of large amount of data into commercial

cloud providers is time consuming, and can limit the usefulness of SaaS services for

sequencing applications, especially for organisations with limited network connectivity.


Contact: Guy Coates

Organisation: Wellcome Sangar Institute

Contact details:


Relevant Links:;;

CONTRAIL – Open Computing

Infrastructures for Elastic Services

General overview and field of application

The Contrail project will deliver federated access to cloud resources. Single registration and

account management are core features of the use cases, where “account management” also

includes roles and permissions, billing, resource allocations, etc. Services are selected based on

published service levels and “quality of protection,” as well as, of course, cost and permissions.

Federated access must be transparent, with the federation accessing, or enabling access to,

remote cloud services on behalf of the user, but of course without incurring unexpected

costs. Account management will thus need to include an internal economic model.

Briefly, the use cases (case studies) cover geo-referenced data, processing streaming

multimedia, real-time high performance scientific data analysis, and drug discovery. Our

user communities cover both industry and academic users. (The mapping of use cases to

requirements is still ongoing.)

Contrail will provide both PaaS and IaaS. The PaaS services will be using existing components

for “structured storage” – a key/value store, a database infrastructure (using SQL), as well

as hosting services enabling hosting of PHP applications, MapReduce-enabled storage with

Hadoop, and “bag-of-tasks” services. In addition to the native interfaces, we will need

interfaces for provisioning and managing PaaS resources.

CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward

The importance of interoperability

Interoperability is very important to Contrail. As the federation accesses services on behalf

of users, having standard interfaces into clouds (such as OCCI from OGF and CDMI from

SNIA) will be very useful. Otherwise, we will need to code an interface for each service

provider which will limit the number of service providers we can support. As we currently

plan to work with OpenNebula, we will support their interfaces.

The other role of standards is to ensure that the interface remains stable: a proprietary

interface could be changed by its owner, potentially without consulting us, whereas a

standard managed by a standards body will have processes for updating protocols. In this

respect, it would be useful to focus on open standards bodies and/or working groups,

where the participation is open and not prohibitively expensive.

Whenever possible, we try to identify existing standards and evaluate them to see whether

they are appropriate for Contrail. If not, we consider working with the standards working

groups to augment their standard. While we reuse whenever possible, we will also seek

standardisation of our own work whenever appropriate. Having learnt from other EUprojects,

we will identify work for potential standardisation and collaboration in standards

bodies at an early stage in the project, to ensure that such work has a reasonable chance of

completion during the lifetime of Contrail. We make as much use as possible of collaboration


CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward


events and are currently working on identifying peer projects for collaboration.

There are additional benefits to collaborating on standards: we avoid duplication of effort,

and get more effort behind the work by collaborating.

Adoption of emerging or existing standards

The maturity of standards – and their implementations – is very important: a standard which

has more than one implementation behind it, at least one in C or C++ and one in Java, where

the implementations are robust and independent of each other, and the underlying libraries are

themselves mature, will be much more useful. We could in principle use a protocol which has a

single implementation (most of our own code will be implemented in Java), but Contrail will also

need to interoperate with more than itself, so mature implementations should be preferred.

As an example, there are many security-related standards from IETF, W3C, OASIS, ITU which

are relevant to Contrail. We note that even very mature standards like X.509 certificates can

pose interoperation problems, and many later standards (e.g. in WS-Security) have themselves

taken a long time to mature, and not all of these are usable yet. There is also a risk with new

standards that they only partially implemented the specification, in which case we will need

to know – or learn “the hard way” – which parts of the specification we can use.

We are still reviewing existing standards for suitability for Contrail, as well as related work

produced by other EU-funded projects. We are following interoperation activities in OGF

(e.g. GIN, PGI, and the proposed Cloud-BP (BP=Basic Profile, analogous to HPC-BP.)

We see interoperation testing happening mainly in collaborations with peer projects, and/

or within the scope of standards bodies, not usually within Contrail itself.

It is possible that we can help emerging standards mature by using them both within Contrail

and in collaborations, but this will require more effort and will extend the development time

for our own components. So, all other things being equal, a mature standard is preferred.

We are likely to use (or at the very least evaluate) the following emerging standards:

OCCI from OGF; CDMI from SNIA; Proposed extensions to XACML (to bring it in line with

functionality in POLPA): DMTF standards may be relevant (OVF, “OVF+”); Standards (if any)

for managing workflow: AMQP – Advanced Message Queuing Protocol (

Possible future cooperation

Existing projects:

SLA@SOI – SLA management, service management – uses Apache TASHI, and they claim

their service manager is “based on OCCI”(?); MASTER - protection profiles, risks, trusted

infrastructure; DEPLOY – formal methods; Cloud4SOA; RESERVOIR framework for business

applications – applications, SLA. Use of OpenNebula; StratusLab; mOSAIC.

Contact: Dr Christine MORIN

Organisation: INRIA Rennes

Contact details:


Dr Jens Jensen

Science and Technology Facilities Council

RESERVOIR - IaaS Cloud Interoperability

General overview and field of application

The RESERVOIR project is developing an IaaS cloud computing platform with advanced

features regarding current alternatives, such as automatic scalability and site federation.

The applications to which RESERVOIR is aimed are multi-tier services that are deployed and

managed using the RESERVOIR middleware. The services demonstrated in the project range

all application fields, from GRID computing, corporate services (e.g. SAP), eGovernment

and the telco industry. RESERVOIR architecture provides site federation and functionality

is split in three different middleware layers: Service Manager (SM), which provides holistic

service management; Virtual Execution Environment Management (VEEM), which manages

the virtual machines that compose the service implementing the federation capabilities;

and Virtual Execution Environment Host (VEEH) which implements the virtualization

platform (i.e. hypervisor).

CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward

The importance of interoperability

Interoperability is key in RESERVOIR and standards are used in three areas. Firstly, the

service packaging format should leverage standard formats, so the same services that

customers get from ISVs, deploy in their in-house IT infrastructure and/or other cloud, can

also be seamlessly deployed in RESERVOIR. Secondly, the deployment and management

API used by users to interact with RESERVOIR cloud should be standardized. Thirdly, as

RESERVOIR is composed of three independent middleware layers (Service Manager, Virtual

Execution Environment Management and Virtual Execution Environment Host) that could

be developed and provided independently, standard APIs between them are needed.


Adoption of emerging or existing standards

In order to package the services that are deployed in RESERVOIR cloud, the Distributed

Management Task Force (DMTF)’s Open Virtualization Format (OVF) is used. The challenge

with OVF in RESERVOIR is how to adhere to the basic standard, widely used among

industry but without the advanced features in RESERVOIR (elasticity, deployment-time

configuration, deployment constraints, etc), and at the same time how to introduce these

features without breaking it. The key to achieving this goal is using OVF built-in extensibility.

Apart from OVF, standard APIs are needed to allow the interaction between users and the

RESERVOIR cloud. In this area, we have found a lot of fragmentation, due to each alternative

in the IaaS management API landscape being actually a vendor-specific API rather than a

standard one. However, some emerging efforts are being taken to define a truly standard

IaaS management API and one of the most outstanding ones is the work carried out in the

CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward

DMTF’s Cloud Management WG. In the RESERVOIR project, TCloud API has been defined

and used as IaaS management API and, in order to get a close alignment with the final DMTF

standard, we submitted this proposal to DMTF and actively participate in CMWG work.

Regarding interoperability between RESERVOIR middleware layers, standard alternatives

are also being explored and used: TCloud API (being the “intra-layer” functionality a

subset of the API exposed to cloud users) and libvirt. Once the DMTF’s CMWG API

consolidates, interoperability tests could be done between RESERVOIR and future vendors’


Possible future cooperation

The standards consolidated in RESERVOIR (OVF and TCloud API) will continue its evolution

in other cloud-related projects participated by the same partners (such as FP7 4CaaST, FP7

VISION or Spanish funded NUBA) and in the products developed by the industrial partners

in those consortia.

Contact: Fermín Galán Márquez

Organisation: Telefónica I+D

Contact details:



TClouds – Trustworthy Cloud Computing

General overview and field of application

The TClouds project investigates two use cases:

1. The Smart Grid Use Case

This case is based on a smart grid application that has been developed jointly by Portugal’s

main energy provider EDP ( and the engineering company EFACEC (www. The application is in a pre-commercial stage and is currently piloted with

public agencies. A central element is the real-time data generation, intelligent analysis

and smart control of public lightning.

2. The eHealth Use Case

This case is based on a patient monitoring, medical data analysis and remote diagnosis

application that is being developed by Philips ( and the

St. Raffaele Hospital ( in Milan. The application is in the research

and development stage. Central requirements are differentiated data access according

to roles such as patient, doctor, pharmacist or patient family members. Also, strict

regulatory requirements need to be observed in order to protect the privacy of the

treated information.

TClouds investigates the migration of central elements of these applications into an

IaaS cloud environment – in particular the scalable operational data storage as well as

performance critical run-time components. In both cases specific regulatory conditions

apply that are derived from EU as well as national law. Both cases also imply specific

requirements for security and need to protect the application from external as well as

insider attacks from cloud provider maintenance personnel.

TClouds is specifically investigating the migration into a cloud-of-clouds environment

that is composed by multiple federated IaaS providers. For this reason, TClouds will set-up

several test-sites as well as use commercial IaaS providers.

CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward


The importance of interoperability

TClouds is to one extent researching on technologies that can provide external security

and privacy to any IaaS cloud – such as allowing computation with encrypted data in the

cloud or the automated integrity verification of results received from software components

deployed in a cloud.

However, complementary mechanisms that TClouds is developing will also involve

interfaces and interaction with the IaaS providers on the deployment and enforcement of

security and privacy policies. This relates to the IaaS service management interface level as

well as to the standards for deployment descriptions and monitoring.

CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward

Adoption of emerging or existing standards

TClouds is investigating two Open Source cloud platforms: OpenStack (

and Open Nebula (

Tclouds also envisages the adoption and extension of Open cloud standards. Currently, the

following are examples for standards that are considered:


The DMTF Open Virtualization Format (OVF)


The OGF Open Cloud Computing Interface (OCCI)


The SNIA Cloud Data Management Interface (CDMI)


The NIST Cloud Standards ong>Roadmapong> – e.g. SCAP / Security Content Automation Protocol


Existing security standards – such as for identity and access management, encryption and

key management

Possible future cooperation

TCLouds is collaborating with the following initiatives:


Effectsplus – Networking of EU Security Projects


FIA - ong>Europeanong> Future Internet Assembly


NESSI – Networked ong>Europeanong> Software and Services ETP

Relevant EU cloud projects (only first indications):


RESERVOIR (federated IaaS clouds)


VISION (federated cloud storage)


SAIL (cloud networking)

Contacts: Elmar Husmann Matthias Schunter

Organisation: IBM Strategy & Change - Innovation IBM Research – Zurich

Contact details:

Web :


ong>Europeanong> Distributed Computing Infrastructures


General overview and field of application

The EDGI (ong>Europeanong> Desktop Grid Initiative) and DEGISCO (Desktop Grids for International

Scientific Collaboration) ong>Europeanong> projects, together with IDGF (International Desktop

Grid Federation), are expanding the power of eScience infrastructures such as EGI with

Desktop resources (which are numerous and cheap) and Cloud resources (which provide

Quality of Service) in full production.

On the e-Infrastructures side, we interface with the computing element by presenting the

collected Desktop resources as just another Batch System. On the Desktop Grid side, we

interface with the Desktop Grid server by submitting jobs to it. We interface with Clouds

by using their API.

Our ‘Application Repository’ middleware publishes applications from government, industry

or academia which have been adapted and validated for secure execution on Desktop


CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward

The importance of interoperability

Our projects are needed because of the current lack of interoperability between the various

middleware stacks for Grids, Desktop Grids and Clouds. In fact, we are providing practical

interoperation through our bridge, using ad-hoc adapters, converters and translators for

each connected Grid or Cloud middleware.

Our work would be eased very much by common Grid/Cloud open standards which are not

only published, but widely implemented in a really interoperable manner. We present here

the relevant standardization domains by decreasing level of importance.


Adoption of emerging or existing standards

We are currently using many of the following de facto and official standards and we plan to

use more of them in the future:

» » Information publication and discovery is standardized by OGF GLUE 2.0.

» » Security is covered by IGFT, RFC-3820 compliant X509 proxies, OGF VOMS, Oasis SAML

and EGI SPG.

» » Log records will be standardized by OGF Activity Instance Document Schema.

» » Accounting records are standardized by OGF Usage Record.

» » Monitoring may be performed using the WLCG Nagios stack.

» » Data management is standardized by OGF DFDL, OGF ByteIO, GridFTP, SRM, DMI and

SNIA CDMI; Virtual image format and definition by DMTF OVF.

CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward


VM instantiation and management by OGF OCCI.


Job description language; by OGF JSDL; Job management protocol i by OGF BES and HPC

Basic Profile.

Possible future cooperation

IDGF and EDGI/DEGISCO are working in strong collaboration with EGI, EMI, NorduGrid,

UNICORE Forum and interested NGIs in order to reach the widest possible user and

resource provider communities.

IDGF is organising desktop grid operators and application developers. Standardization

activities are carried out mainly inside OGF. EDGI is carefully following any improvements

and further developments of ARC, gLite and UNICORE maintained by EMI in order to make

sure that the Service Grids to Desktop Grids bridge middleware developed by EDGI will be

compatible with any new versions of the ARC, gLite, UNICORE and UMD middleware stacks.

IDGF and EDGI/DEGISCO will explore the integration in future eInfrastructures. This means

possible collaborations with Cloud research projects such as Contrail and mOSAIC. And it

will look at extending virtualization techniques to the Desktop Grid client.

Contact: Etienne Urbah

Organisation: LAL, Univ Paris-Sud

Contact details:


Relevant Links:


EGI - ong>Europeanong> Grid Infrastructure

General overview and field of application

EGI provides an e-infrastructure to support the data analysis and computational needs

of its publicly funded and supported end-users from the research community within

Europe. Increasingly, this community has experimented with the interfaces provided from

commercial cloud providers (IaaS, PaaS & SaaS) and would like to experience similar ease of

use and flexibility, but with the efficiency, data transfer rates, control and cost (free at the

point of use) that they have experienced within publicly funded e-Infrastructure.

The main users of such an environment are not foreseen to (directly) be end-users.

Rather they will be experts associated with the Virtual Research Community (or Virtual

Organisation) that will manage the preparation, deployment and operation of the virtual

machines. These experts will come either from within the community or within an NGI

working on behalf of that community. These experts would decide on behalf of their

community the distribution of the services at the resource centres that they have access to,

when to deploy new software updates, and even the software that they would use.

Essential to this model is to federate the virtual resources located at the resource

infrastructure providers (the ong>Europeanong> NGIs and EIROs within EGI) to provide:


Authentication and authorization model that permits the access to virtual machine

management functions (deploy, start, stop, inspect, etc.) located at sites in different

administrative domains


Provisioning and maintenance of virtualized resources driven by locality to existing data

sources, data sinks, or high performance networking links

CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward

The importance of interoperability

Interoperability is essential to a federated virtualised infrastructure. Each resource centre

(site) will wish to make its own decision as to the underlying virtual machine management

system it uses. This capability will need to be exposed in a systematic and consistent way

to a distributed user group which will need to access many such centres. Standards such as

OCCI and other IaaS activity are essential for this usage model.

Likewise, coordination is a key aspect of any federated model. For a virtualised federated

infrastructure, the ability to manage consistent access to these resources demands a

common security model that scales with regards to authentication and authorization.

The X.509 related technology coupled to virtual organization model has shown to work

technically at this scale, and if its primary use is to govern access to the virtual machine

management functions (as opposed to access to the services run inside the virtual machine)

it provides a standards based solution.

A key aspect of federation is resource discovery and to report on its usage. Standards such as

GLUE2 are being used within EGI to describe resources and derivatives of the Usage Record


CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward

specification are used to aggregate accounting records on a ong>Europeanong> wide basis. Much of

this information flow is now being supported by messaging technologies implemented the

JMS specification.

Adoption of emerging or existing standards

Many of the emerging standards/specifications mentioned previously (GLUE2, Usage

Record, OCCI, JMS, X.509, etc.) have multiple servers or clients and are frequently sourced

from communities beyond EGI. This not only gives us technical confidence in adopting

the technologies (they are proven to work in many other areas) but gives us adoption

confidence as there are multiple providers that already need and know that their work

needs to inter-operate.

Any deployment of new technology releases will go through staged rollout before widescale

production deployment to ensure that the interoperability is actually achieved between

the critical components where it is needed. However, having to do explicit interoperability

tests with different technologies would demonstrate low confidence in the technical

provider… and these would not be ones we would chose to work with.

Possible future cooperation


The technologies emerging out of the ong>Europeanong> Middleware Initiative, StratusLab, Initiative

for Globus in Europe could all contribute to this activity. The Contrail project is exploring

the issue as to how different resource sites can contribute to a cloud as an infrastructure,

as opposed to individual sites.

A missing capability in the open-source area seems to be the provisioning aspect across

multiple cloud providers. Dealing with the negotiation of resources from each provider to

match the high-level deployment plan coming from the requesting user seems to be a gap.

Likewise, linking a local virtualised network topology to existing high-speed networking

links between virtualised resources does not seem to have an integrated solution at the


Contact: Steven Newhouse

Organisation: ong>Europeanong> Grid Initiative

Contact details:


Relevant Links: Integration of Clouds and Virtualisation into the ong>Europeanong> production

infrastructure –

EMI - ong>Europeanong> Middleware Initiative

General overview and field of application

As being primarily a ‘research middleware provider’, ong>Europeanong> Middleware Intiative (EMI)

use cases, in the context of e-infrastructures, are driven by ‘complex distributed highlevel

scientific workflows’ that partly span over different types of e-Infrastructures.

These require the transparent access to different types of heterogeneous computational

resources (i.e. HPC and HTC) as well as performing storage management and necessary

data transfers between resources. Here different computational paradigms such as

HPC and HTC are needed in order to support common scientific community accepted

different low-level application programming models (i.e. OpenMP, MPI vs. task farming).

This in turn points to requirements for common interfaces to computing resources,

storage management, and the use of commonly agreed interfaces for data transfer

adopted by middleware services that provide access to such resources. Related to this are

challenging security requirements such as enabling single-sign on across e-Infrastructure

boundaries or even performing work on behalf of another identity than the initial

middleware user itself (i.e. delegation of rights). Although many security models (PKI,

SLC-services, OpenID, etc.) and interfaces/standards (X.509, SAML, etc.) exist, they

have been not consistently adopted across technology providers. More recently, cloud

computing is emerging using virtualization technologies that form a dynamic kind of ‘ondemand

e-Infrastructure’. EMI explores solutions to enable middleware services to take

advantage of such emerging virtualized infrastructures. In this context, we consider two

options. EMI services that are part of virtual machine appliances and the seamless access

to existing cloud infrastructures from already established and broadly used middleware


CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward

The importance of interoperability

The requirement for interoperability between existing middleware services that are

deployed as part of virtual appliances is relatively well supported by available standards

in the field that EMI is commonly adopting during the course of the project (i.e. compute,

data, information, security area, etc.). However, end-users typically require interoperability

to take advantage of middleware services with unique capabilities that specifically offer

access to HPC, HTC, or storage resources across all different kinds of e-Infrastructures

(e.g. PRACE, EGI, clouds). While HPC-based clouds are rather rare, we mostly experience

interoperability requirements for middleware to use it seamlessly with already existing

cloud-based infrastructures (and their access and management interfaces) offering HTC

resources and dynamic storage capabilities. EMI will work towards the interoperability

with implementations providing emerging standards-based interfaces to existing cloud

infrastructures, with a particular focus on the access of computing and data resources.


CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward

Scientific end-users already take advantage of commonly used middleware (client) tools

today which require the seamless access to these infrastructures by having interoperability

in the areas of security, job and data management, as well as accounting.

Adoption of emerging or existing standards

Several agreed standard interfaces/schemas for the interoperability between established

middleware technologies are adopted and continuously tested for compliance during the

course of the EMI project (e.g. SRM, GLUE2, etc.). Nevertheless, from a ‘client perspective’,

several middleware services are expected to be compliant with emerging standard

interfaces of cloud-based infrastructures. At the time of writing, there is currently one

emerging standard named as Open Cloud Computing Interface (OCCI) that might be

relevant for EMI when it offers functionality on the PaaS and SaaS-level rather than on the

IaaS-level as today. In terms of storage, the standard Cloud Data Management Interface

(CDMI) seems to be a promising standard to be adopted by EMI services as well while the

standard still needs to prove its relevance in industry. In both cases, EMI has to be aware

of the dynamics of virtual resources and at the same time make good use of them ideally

through the adoption of commonly agreed standard interfaces.

Possible future cooperation


StratusLab (Providing EMI middleware-based virtual machine appliances)


VENUS-C (EMI clients might benefit via similar standard interfaces based on BES/JSDL)

Contact: Morris Riedel

Organisation: Jülich Supercomputing Centre

Contact details:



IGE - Initiative for Globus in Europe

General overview and field of application

IGE targets, as a base middleware provider, various fields of applications and does not limit

itself to a certain community. However, a strong focus lies on helping scientists in their daily

work, making the use of eInfrastructure as simple and seamless as possible while not trying

to cover specific issues, but rather cover general services. The two general use cases IGE has

collected from the user communities, and which are seen as the most important, are “Grid

on top of CloudandCloud on top of Grid”.

While the “Grid on top of Cloud” use case covers the exercise of running Grid middleware

services in an IaaS environment and is basically solved by technology providers from various

directions (the EGI roadmap, commercial IaaS vendors, open-source projects, infrastructure

standardization efforts, etc.), it still requires significant automation efforts to bring benefit

to the operators of such services.

The “Cloud on top of Grid” use case, in turn, requires an entirely new set of interfaces, which

are yet to be defined. For example, the typical IaaS model of managing virtual machines needs

to be mapped to current Grid middleware environments. A starting point for this is the Globus

Online effort, which is an integral part of the project for the ong>Europeanong> Research community.

CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward

The importance of interoperability

For the “Grid on top of Cloud” use case, interoperability is a key issue: the deployment of Grid

services should work as seamless as possible for the operators, even cross-infrastructure. As

such, common interfaces to the underlying infrastructure are crucial and should be available

as broadly as possible. One candidate for this process would be OCCI, but the area of “service

templates” and deployment automation, also with respect to instance-specific configuration

and adaptation, is yet to be resolved since no accepted standards are available here.

For the “Cloud on top of Grid” use case, the capabilities as defined by the EGI roadmap are a

starting point for possible standards. However, in this context, the applications and platforms

comprising the Cloud environment highly influence the requirements for such standards. Here it

would be necessary to collect Cloud application use cases that are eligible to run on top of Grid

infrastructure and extract common requirements that need to be addressed by the DCI projects.


Adoption of emerging or existing standards

At the moment, IGE evaluates the applicability of Cloud standards to the project goals. As

said before, a good candidate for the described use cases is the OCCI family of specifications.

Interoperability tests conducted by IGE would largely consider using Cloud interfaces from

the client perspective; as such, the project requirements are consumer-oriented regarding

CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward

IaaS services. From the provider perspective, the upcoming ong>Europeanong> deployment of a

cloud-based file transfer service on top of Grid infrastructure, Globus Online, will show

whether and how scalability is an issue, but is unlikely to touch interoperability issues on

the Cloud interface level.

Possible future cooperation

A main issue seems to lie in the field of usable templates in the context of virtualized

services. Especially the post-template creation aspects such as individual VM modification

(tailoring towards the VRC that is to be targeted) seems to be an open issue. While the EGI

roadmap seems to touch this field, concrete steps are yet to be defined.

Contact: Alexander Papaspyrou

Organisation: Technische Universität Dortmund

Contact details:;



StratusLab – Enhancing Grid Infrastructures

with Virtualization and Cloud Technologies

General overview and field of application

The StratusLab project started in June 2010 with the purpose of investigating the impact

of the emerging cloud computing paradigm in the provision of grid computing services.

StratusLab focuses on the Infrastructure-as-a-Service (IaaS) cloud paradigm, which implies

the usage of virtualization technologies for the provision of computing resources. The

project is integrating a cloud distribution, based on the OpenNebula cloud management

toolkit, specifically designed with the purpose of hosting grid services. During the design

phase the specific requirements and/or restrictions of grid services are taken into account

in order to provide optimized cloud environments for deploying virtualized production

grid sites. The first version of the StratusLab distribution was released in October 2010. The

distribution is used by the project itself to setup and provide a reference cloud service.

Currently two capabilities are available to the public: a cloud IaaS service, giving users the

ability to to instantiate and manage VMs and a appliance repository where the VM images

are stored. This reference cloud service is used also internally by the project as a testbed

for deploying grid sites and in order to investigate potential implications of their operation

over the cloud.

The primary application domains that the project is targeting are similar to those of grid

computing, i.e. scientific applications either in research or production phase. In particular

the Bioinformatics group from CNRS/IBCP participates in the project offering the primary

use cases for end-user applications on the StratusLab infrastructure.

CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward

The importance of interoperability

Interoperability plays an important role for StratusLab as with any large scale shared

infrastructure environment. Currently the main focus is on IaaS interfaces, access to virtual

machine appliances and security. Another level of interoperability particularly important

for StratusLab is the one between grid middleware and cloud management service. In this

level issues of accounting and monitoring have been identified as a priority for investigation.


Adoption of emerging or existing standards

OpenNebula is in the core of StratusLab distribution and has already adopted the OGF

OCCI standard. The toolkit’s development team, which also participates in StratusLab, plays

a central role in the standardization process of OCCI. Although OCCI support is currently

not yet integrated in the StratusLab distribution, it is scheduled for the upcoming releases

of the project. For what concerns security and authentication, StratusLab has adopted X.509

CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward

certificates and utilizes VOMS services for VO management and end-user authentication.

During the second year of the project we plan to investigate hybrid cloud solutions and

exploitation of commercial cloud infrastructures. In this case IaaS interoperability will

become even more relevant and may re-focus the development and integration activities

of the project.

Possible future cooperation

StratusLab keeps close contact with most of the DCI ong>Europeanong> projects currently under way.

In particular the project is in close collaboration with EGI-InSPIRE, EMI and EDGI projects.

These collaborations are being formalized with respective MoUs. The project is also

planning to collaborate with commercial cloud providers like ElasticHosts and Flexiscale in

order to test the application of the StratusLab distribution in hybrid cloud environments.

Contact: Vangelis Floros

Organisation: GRNET

Contact details:



VENUS-C – Virtual Multidisciplinary

Environments Using Cloud Infrastructures

General overview and field of application

The VENUS-C project is aimed at validating the use of cloud infrastructures to support

research in seven user scenarios, plus around ten more applications that will be identified

through an open call. Current user scenarios include seven applications across four

thematic areas: civil engineering, marine biodiversity, civil protection and emergencies and

biomedicine. Specifically, applications focus on 3D static and dynamic structural analysis

(Universidad Politecnica de Valencia), building information management (Collaboratorio),

marine biodiversity maps (National Research Council of Italy), wildfire risk prediction

and fire propagation simulation (University of the Aegean), bioinformatics (Universidad

Politecnica de Valencia), systems biology (Center for Computational and Systems Biology),

and drug discovery (Newcastle University), covering a wide range of scientific use cases

targeting on the use of intensive computing and data storage.

Cloud infrastructures are envisaged as a way to access improved computing power beyond

users’ facilities (long-duration earthquake simulations, the alignment of large-scale

sequences with respect to public databases, drug discovery over large ligand databases,

biological systems simulation, and so on), by adapting computing kernels as worker roles

or complete virtual appliances. These working units are orchestrated in a coordinated

and reliable framework that ensures the effective execution of the multiple parallel

components. However, cloud infrastructures are also acting as enabling technologies

providing computing resources for web applications (as in the generation of fire risk and

behavior maps, ad-hoc views of marine biodiversity maps or for rendering capabilities in

building information).

CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward

The importance of interoperability

From the point of view of the user, interoperability can be understood as the ability to

switch, choose or use several infrastructures simultaneously. The ability to seamlessly

switch from local to external resources provided by cloud infrastructures constitutes an

attractive usage model for research. Local resources could deal with test or planning work,

whereas external production-quality resources can be used in large experiments. This could

be the case for example of a phylogenetic annotation or a drug discovery experiment or

the dynamic simulation of an earthquake on a building structure. There are limitations

on binaries (which could be hidden by the use of virtual appliances) and performance

restrictions, but different infrastructures could even bring different opportunities (and

costs). Another important issue is the interoperability in data objects across infrastructures

(as data science infrastructures holding public data and computing clouds dealing with it),

which would also require “business” interoperability in the way costs could be charged.


CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward

Adoption of emerging or existing standards

Along with the standards that will be adopted at the level of the VENUS-C execution models,

data access is an area in which user applications could be impacted more by standards. In

VENUS-C, the Cloud Data Management Interface (CDMI – Storage and Networking Industry

Association) is being adopted to provide a standard access to local and remote data. CDMI

will hide the particularities of the storage back-ends that will improve the interoperability

of applications when accessing data in different platforms. However, there is a concern

about the effect on performance that could have adopting CDMI as a neutral interface for

accessing data. Therefore, large-scale tests will be performed using both CDMI neutral and

platform specific data access interfaces, looking for trade-offs between performance and


Possible future cooperation

CDMI, which defines the functional interface that applications will use to create, retrieve,

update and delete data elements from the Cloud. As part of this interface the client will

be able to discover the capabilities of the cloud storage offering and use this interface to

manage containers and the data that is placed in them. In addition, metadata can be set on

containers and their contained data elements through this interface.

This interface is also used by administrative and management applications to manage

containers, accounts, security access and monitoring/billing information, even for storage

that is accessible by other protocols. The capabilities of the underlying storage and data

services are exposed so that clients can understand the offering.

Contact: Ignacio Blanquer

Organisation: Universidad Politecnica de Valencia

Contact details:



Business & Government

The shift to cloud computing in

government in the EU

Government is one of the biggest sectors for ICT spending in the EU. The factors that are

driving government to use cloud are a little different from the business/private sector. The

business, and particularly small business is leading the shift to cloud computing, primarily

because cloud offers companies increased flexibility in their use of computing resources.

This enables companies to be more efficient and operate more effectively. Cloud also has

advantages over traditional computer deployment such as desktop, in allowing customers

to save capital expenditure (switching to opex), and save property, labour and other indirect

costs associated with owning and operating a traditional computer estate. A third party

running a major data warehouse or cloud computing facility and upgrading software more

regularly also has the ability to offer latest generation of products/technology on a faster

and more regular basis and can literally offer more for less given scale economies.

Government is less driven by operational efficiency, and more by the major drives to reduce cost

and save money to pay off debts and reduce government deficits. Programmatic change, such as

government seeking ‘buy once’ benefits, rather than buying on a silo-ed and departmental basis

and government looking to leverage its buying power, are focusing government efforts on cost,

and cost of processing is leading purchasing managers to look at cloud computing because of its

significant cost savings over traditional desktop solutions. Many governments have announced,

and are in the throws of implementing, service oriented architectures (SOA), that are intended

to create a technology platform in government enabling applications to be bought ‘off the shelf’

and added more quickly and cost effectively to the government’s ‘app’s store’. Virtualisation and

standards may help, but an increasing issue is the dependence on the technology of particular

vendors that are needed in getting an SOA to work, or inter-operate, with others’ technology.

CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward

UK government: driven by cost savings

In the UK, the government is pursuing a cloud computing strategy, and looking to consolidate

central government computing from 200+ data centers to about 10. This will inevitably

involve virtualisation, and may involve public cloud as well as the consolidation onto a

private cloud platform. In line with the private sector, government is concerned about data

protection and data security, and it is hoped that the move from a physical to a more virtual

environment may increase the security of data (the UK has had a history of loss of data on

physical items such as sticks and disks and computers, and the promise of remote storage is

expected to reduce the risks of physical data loss).


CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward

Legal issues

The legal issues facing government and government agencies include data protection and

the need to produce data for law enforcement. These are the same issues facing the private

sector more generally. These are in the process of being worked through. Technology lock-in

and forwards and backwards compatibility of existing technology with cloud deployment is

a major additional issue for government: the shift to SOA means that standards are needed

against which purchases can be made and third parties need technical interfaces in order to

run their technology with that which is already in the existing government estate. However,

standards only solve the issue of technology lock-in where they exist, and they typically only

exist when many players have already agreed to operate to a particular standard. Licensing of

underlying intellectual property rights is often needed in such situations, and can be achieved

on FRAND (fair reasonable and non discriminatory, terms) which has been agreed in many cases.

Also, in its previous approach, which allowed individual departments to purchase technology

to meet specific needs of the department by the department, the UK government has already

outsourced many of its functions to third parties. Now, looking at cross departmental cost

savings and cross departmental technology solutions means addressing cross departmental

needs and will cut across agreements with existing suppliers and the different technologies

that have already been bought for particular departmental needs.



Interoperability is the issue of the moment. This is the issue of how to make existing technology

work with the latest generation, often available from a cloud computing solution. Where

situations of dependency on a single player’s technology arise, such as with interoperability with

the IBM mainframe, (often used for tax and benefits systems by government), then standards

are unlikely to resolve the issue, and there is a need for anti-trust laws or regulation to achieve

interoperability. The ong>Europeanong> Commission is currently investigating the lock in between legacy

programs running on proprietary IBM mainframes and is looking at the issue of interoperability

between applications and hardware and software in relation to a complaint brought by an

open source company Turbo Hercules. This complaint involves Turbo Hercules attempts to run

customer data on other hardware and software outside the mainframe environment, and the

way that interoperability between the customer’s established technology others’ technology.

The ong>Europeanong> Commission is also examining a range of ‘measures’ that could be adopted to deal

with pervasive technologies under action point 25 of its Digital Agenda.

These issues typically arise where technology has been provided by a supplier on a vertically

integrated basis: hardware and software lock-in is a well known approach of technology

companies. The issue may be thought of as bundling, of monopoly and non monopoly

components, whether of hardware and software or of a number of software products

together. The Commission intervened in the Microsoft case (and in other cases such as IMS

health), and has adopted remedies to ensure that interface information is published and

that application programmers obtain the information needed so that their software can run

with others’ and that applications can run on other companies hardware.

This is a current issue in the UK. The UK’s Cabinet Office has recently (end Jan 2011) announced

its preference for non-IPR based standards in government purchasing. However, it is a

mystery how such an approach would resolve these issues or even how such an approach

is compatible with EU and WTO obligations to ensure that government purchasing is evenhanded

and technologically neutral.

These issues are current and require resolution. Can they be left to look after themselves?

Can a market solution solve the problem? Often this is the case with applications at higher

levels in the technology stack where customers can buy an alternative application if one

does not work. Where a customer has bought technology and has become dependent upon

it interoperability may be the only solution. Clearly, if existing technology is owned by an

existing supplier, use of that technology will often require compensation and intellectual

property right licenses may be needed.

Intervention may be needed so that the market is not held back and the government is not

held to ransom. Unlike markets for apps, these dependency situations are not capable of

being dealt with as matters at the higher levels in the technology stack where the market

can be expected to operate freely, but are issues that arise where customers are dependent

on technology or technology platforms and where suppliers have market power. There is

clearly no issue of dependency and no issue of market power where no dependency exists,

however, where there is market power and dependency, then there is a major need for

interoperability that requires real inter-working between existing and future technology.

Apart from case by case investigation by anti-trust authorities, the shift to cloud computing

can be seen as a shift toward greater intelligence being included in communications

infrastructure: off-premises processing is truly dependent on communications at a distance,

and dependent on the interoperability and access to technical information. Some aspects

of the existing telecommunications infrastructure will need to be upgraded in order to be

able to cope with the increased needs and demands of cloud computing solutions.

CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward

Communications regulation?

These issues are not new, and in order for the many different technologies that are used in

a communications system to talk to another communications system regulation has existed

for many years to make sure that systems can interconnect. The regime that exists and

governs the use of telecommunications infrastructure addresses these issues and may apply

to improve the conditions of access and use of the telecoms infrastructure for the new

phenomena of cloud computing. Regulation of interoperability and access has been needed

and applied to telecoms companies for many years, as the shift to a new era of computing

takes place with more processing in the system needing to work with computing at the

edge the system of laws are faced with familiar issues.

Resolution is taking place now and a fair balance between the needs of rights holders and

the efficiency gains and cost benefits needed by government will mean that the system will

require adaptation by industry and regulatory/anti-trust authorities alike.


Contact: Tim Cowen

Organisation: Sidley Austin & Open Computing Alliance

Contact details:


CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward

G-CLOUD – UK Government Cloud

Computing Infrastructure

General overview and field of application

The G-Cloud programme is a UK Government initiative to provide a Service orientated

infrastructure for delivering services to the citizen and support for business processes

across Government. While the longer term vision for G-Cloud foresees widespread sharing

of services and scaling of applications to the public cloud with appropriate security, in

the short term the challenge is to harvest small amounts of infrastructure distributed

amongst Government’s several hundred Data Centres, to provide support for virtualized

applications to scale within the Firewall. Standards which allow the development of a shared

infrastructure and classes of operation for IaaS which would support different software

types is essential. Some form of shared middleware for scheduling and load balancing

is also required. This should recognize concepts of class of software supported, locality

and required configurations, including security impact level. While it is not envisaged that

management of shared data will be implemented in this way, this may become a requirement


The importance of interoperability


Ultimately, the design of G-Cloud applications should not need to take account of

hardware/software environments in which to operate, whether owned or rented as a service.

However, in the short term there will be a requirement to assure interoperability in order

to take full advantage of available capacity across the UK estate and beyond into public

cloud service providers. The ability to integrate a number of classes of cloud infrastructure

and schedule freely across multiple sites would be ideal. Some proprietary vendors can

offer this capability (e.g. Platform). Indeed, Amazon offers a wide range of services on its

Infrastructure. It also offers a range of tools for scheduling and configuring applications in

the Cloud. This is the benchmark. For administration purposes the UK Government requires

usage accounting to be implemented across the organization.

Adoption of emerging or existing standards

I would expect that any proposed standards would need to meet Government requirements

for openness and quality. I would not expect to spend government resources supporting

testing for interoperation. This money would be better spent in designing applications for

scalability and adaptability into mobile/smartphone domains.

Possible future cooperation

I believe that Amazon Web Services is offering the best articulated path forwards towards

cloud based scalable application support. The specification of services is more important

than an interoperable API. The ability to design and instantiate a configured application is

key to delivering services “on demand”. OGF flirted with the idea of templates a couple of

years ago. Chris Smith and Ian Osborne presented a paper on this topic at CloudWorld in

San Francisco in August 2009. The UK Government will be willing to collaborate more on

this subject via the Cabinet Office. However, it is worth considering that most government IT

activity is outsourced to major 3rd party Systems Integrators (e.g. HP/EDS, IBM, Capgemini,

CSC, etc.) and as such a large measure of interest and support is required from them.

Contact: Ian Osborne

Organisation: Intellect

Contact details:


Relevant Links:

CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward


CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward

CitySourced/FreedomSpeaks citizen

services platform

General overview and field of application

FreedomSpeaks is a political social network with a mission to facilitate governmental

transparency and open communication between constituents and publicly elected officials.

According to the organization’s mission statement: “Information has always been power,

so we’ve decided to bring the power back to the people. We’re hard at work digging up our

officials’ voting records, and we’d like to keep this data archived for all of you.” To fulfill this

pledge, FreedomSpeaks manages an intense data mining and translation operation, turning

HTML data files into a collection of information that can be accessed and acted upon by

engaged citizens. Since its inception in 2006, FreedomSpeaks has mined data from the

United States Census, Senate, and Congressional records, plus hundreds of state and local

government websites.

In 2009, FreedomSpeaks decided to expand its offerings to include a new mobile product,

CitySourced. CitySourced provides a way for citizens to report issues in their city using their

smartphones. Residents can take a picture of almost any city issue—such as potholes or

graffiti—then select a category and submit that report directly to city hall. The application

makes use of the smartphone’s internal global position system (GPS) capabilities and

internal compass. FreedomSpeaks needed to migrate to a cloud-based technology platform

to support this new product offering.

The importance of interoperability


Interoperability in these systems occurs between users on desktop browsers and Android,

iPhone, Windows 7 and Balckberry smartphones and the application running on the cloud

service; between the application running in the cloud service and multiple data sources; and

between the application and other applications run by news outlets, government officials

and others.

Since 2006, FreedomSpeaks has added data including legislative data, elected official data,

and even geographic information systems data. This abundance of data was gathered by

employing a network of spiders to create complex web crawls that execute on the cloud

platform. This information is presented on the FreedomSpeaks website, and provided for

use by other parites through a rest interface.

The data from the CitySourced solution is queued up to FreedomSpeaks server computers,

and later processed—all of which takes approximately 60 seconds. It also requires running

millions of geo lookups against thousands of state and city agencies across the United

States. Once processed, the information is directed to the appropriate governing body.

When the governmental agency takes care of the issue, a notification is sent back to the

citizens letting them know that the city has responded. This two-way communication

makes people feel like they are an active part of their local government. CitySourced also

presents information through REST for use by governments, news agencies and others.

Use of REST interfaces in the absence of established semantic standards allows rapid use of

the data with minimal new programming effort.

Adoption of emerging or existing standards

The system is based on multiple web standards that support REST, including HTML, XML,

JSON. In addition, the data is presented in standard geospatial formats, including KML.

Possible future cooperation

Connection to additional government data through open interfaces and potentially

decorated with semantic web information would allow expansion of both services. For

example, the San Francisco Open311 API allows information from CitySourced to be sent

directly into San Francisco’s non-emergency response system.

CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward

Contact: Gregg Brown

Organisation: Microsoft

Contact details:



CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward

CUSTOM – Cultural Heritage & Tourism

Store on the Cloud

General overview and field of application

The CUSTOM project tries to achieve the technological innovation that comes from the use

of cloud based services and application integration in the field of cultural-oriented services.

It aims to create a cultural heritage & tourism store, a platform for the commercialization

of integrated applications and services that will be delivered over the web according to the

Software-as-a-Service paradigm.

Developers of web-oriented services will develop server applications according to the

platform guidelines for applications interoperability and then will sell those applications

on the CUSTOM market. Public institutions and companies that work in the field of tourism

and cultural promotion will buy those applications as a service.

CUSTOM will provide the platform for hosting, deploying and integrating services

automatically, allowing customers control of the acquired software suite, hiding the

complexities of the management of a hardware physical infrastructure. Even though the

platform will be open to welcome new kinds of services, so far we have foreseen the

implementation of several kinds of software building blocks: CMS, GIS Server, Image Library,

Digital Library, Streaming Server.

The importance of interoperability


CUSTOM’s focus on interoperability will affect both the infrastructure and application

level. As the system will consist of a cloud platform, we plan to adopt open-source

solutions and standard interfaces in order to manage cloud resources. Our choice as a cloud

management system will be based on OpenNebula, a platform which exposes the OCCI

standard interface and partial support for the Amazon EC2 API. The latter will be used

by the middleware software that allows automatic management of resources, effectively

decoupling the cloud platform from the applications management module. This choice will

potentially allow the CUSTOM middleware to be moved on top of another cloud platform.

Although CUSTOM does not aim to create an hybrid cloud environment that leverages

on cloud-bursting techniques, another issue that is related to interoperability is the

capacity to efficiently migrate applications on top of virtual machines in an heterogeneous

virtualization platform environment.

Adoption of emerging or existing standards

At the infrastructure level OpenNebula provides a subset of Amazon EC2 API and the

standard OCCI interface. It also provides seamless integration with Amazon EC2 public

cloud, allowing partial control of the resources related to this cloud environment, which

only requires a working EC2/S3 account with already loaded AMIs. OpenNebula provides

an implementation of OCCI based on the latest draft of the OGF OCCI specification, along

with libraries for Ruby and Java language. The software that will provide user interfaces

or manage the automatic deployment of cloud resources and customer application

environment will make use of the OCCI functionalities in order to interoperate with the

cloud platform.

We plan to thoroughly test the OCCI implementation of OpenNebula and the provided

libraries prior to starting the development of the middleware software.

Possible future cooperation


OpenNebula and the RESERVOIR ong>Europeanong> project (


Claudia Platform (





CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward

Contact: Paola Ponticelli

Contact details:


Relevant Links:


CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward


Standards & Interfaces

OpenNebula - A Reference Open Cloud

Stack to Enable Interoperable Enterpriseclass

Cloud Computing Platforms

General overview and field of application

OpenNebula is a fully open-source toolkit to build any type of IaaS cloud: private, public

and hybrid. The OpenNebula technology is the result of many years of research and

development in efficient and scalable management of virtual machines on large-scale

distributed infrastructures. Its innovative features have been developed to address the

requirements of business use cases from leading IT companies and across multiple industries

in the context of groundbreaking projects in cloud computing, such as RESERVOIR.

Additionally, it is being used as reference open stack for cloud computing in several large

research and infrastructure projects, such as StratusLab, BonFIRE, or 4CaaSt.

The OpenNebula technology has matured thanks to an active and engaged community of

users and developers. The development is driven by its community in order to support the

most demanded features, and by the international research projects funding OpenNebula

in order to address the demanding requirements of several business and scientific use

cases for cloud computing. OpenNebula has proved to be a production-ready solution

that includes enterprise features such as security, robustness, scalability and performance

that many IT shops need for internal cloud adoption, either in scientific or in business


OpenNebula is downloaded several thousands times a month from its site, and the code

can also be downloaded from the software repository and from several commercial and

open-source distributions. OpenNebula is used by thousands of organizations worldwide to

research the challenges that arise in cloud management, and also as production-ready tool

in both academia and industry to manage clouds. Users include some of the world’s leading

telecom operators, hosting providers and compute centers of leading research institutions.

The importance of interoperability

OpenNebula emphasizes interoperability and portability, providing cloud users and

administrators with choice across the most popular cloud interfaces, hypervisors and

public clouds for hybrid cloud computing deployments, and with a flexible software that

can be installed in any hardware and software combination. The functionality provided by

OpenNebula and the components in its quickly growing ecosystem enable:

» » Interoperability in the private cloud by supporting most common hypervisors, such as

KVM, VMware or Xen, and many other virtualization stacks through its libvirt plug-in


Interoperability in the public cloud by exposing most common cloud interfaces, such as

VMware vCloud and Amazon EC2; open community specifications, such us the OGF Open

Cloud Computing Interface; and open interfaces, such as libcloud and deltacloud


Interoperability in the hybrid cloud by supporting the combination of local private

infrastructure with Amazon EC2 and ElasticHosts, and any major cloud provider, such as

Rackspace, GoGrid or Terremark through a RedHat’s deltacloud adaptor

Adoption of emerging or existing standards

Our plan is to continue our support for EC2 and OGF OCCI Cloud APIs. Both implementations

are now being used in very large-scale deployments. Our users have reported scalability

results with tens of thousands of virtual machines. EC2 interoperability has been validated

with Amazon AWS. In fact OpenNebula can be used with any of the tools available in the

Amazon ecosystem, such as ElasticFox.

From the perspective of the OpenNebula project, interoperability in the context of

infrastructure requires openness, adaptability, portability and standardization. Because

two data centers are not the same, building a cloud computing infrastructure requires the

integration and orchestration of the underlying existing IT systems, services and processes.

OpenNebula enables interoperability and portability, recognizing that our users have

data-centers composed of different hardware and software components for security,

virtualization, storage, and networking. Its open architecture, interfaces and components

provide the flexibility and extensibility that many enterprise IT shops need for internal

cloud adoption.

CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward

Contact: Ignacio M. Llorente

Organisation: Complutense University of Madrid

Contact details:



CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward

OCCI - Open Cloud Computing Interface

specification set

General overview and field of application

The Open Cloud Computing Interface from the Open Grid Forum is a RESTful protocol and

API for cloud-related management tasks. OCCI can be used by any device or programming

language that is able to understand HTTP, and provides for easy monitoring and testing

through the HTTP Rendering.

Originally initiated to create a remote management API for IaaS-based services, it has since

evolved into a flexible API while still offering a high degree of extensibility. The current

release is suitable to serve many other models in addition to IaaS, including e.g. PaaS and


The importance of interoperability

The current OCCI specification set consists of three documents. Future releases are planned

to include additional rendering and extension specifications.


OCCI Core: Provides the formal definition of the OCCI Core Model.


OCCI HTTP Rendering: Defines how to interact with the OCCI Core Model using the OCCI

API, including how the Model can be communicated and serialized using the HTTP protocol.


OCCI Infrastructure: Contains the definition of the OCCI Infrastructure extension for

the IaaS domain; also defines associated resource types, their attributes and the actions

that can be taken on each resource type.


Adoption by the open source community

OCCI has achieved wide adoption in the open source community and has attracted

considerable interest from the commercial community and from other standards

organizations due to its built-in inter-compatibility with other RESTful methods.

Implementations exist that can be downloaded and used from a number of projects,

including the following:

1. Implementation of OCCI on top of libvirt by the Distributed Computing Virtual Laboratory

at the Robotics Research Institute, Technische Universität Dortmund.

2. A BSD-licensed OCCI implementation on top of Apache Tashi by SLA@SOI.

3. An open source implementation of OGF OCCI for Eucalyptus under development by he

UK-JISC funded project “Flexible Services for the Support of Research.”

4. Adoption of OCCI into the roadmap and project plan for OpenStack, scheduled for the

upcoming ‘bexar’ release.

5. A reference implementation of the OCCI specification by the OpenNebula project,

scheduled to be updated to the latest version in the near future.

6. An implementation of the OCCI protocol/API as part of the Service Sharing Facility (SSF)

for the German Research Project DGSI, developed by Platform Computing.

All of the above implementations except for OpenStack are already fully functional, and

many have been in the form of working code for existing projects for some time. The latter

implementation includes demos for Job Submission (SaaS/PaaS), a KeyValue store (PaaS)

and an included skeleton implementation of the OCCI infrastructure model, which can be

bound to any available hyper-visor to create an IaaS based cloud.

The OCCI specifications are designed to allow boundary-level interfaces to be built using

RESTful patterns over HTTP, and can thus be applied to almost any existing software

infrastructure component or layer to provide a standards-based way to adapt it to the

cloud. This feature accounts for their high degree of interest and adoption.

Possible future cooperation

Formal release of the OCCI specifications is expected by the end of 1st quarter 2011. The

OCCI group welcomes notification regarding additional implementations and further work,

and collaborates through its working group pages supplemented by a dedicated

web site at that hosts links to downloadable examples of the implementations

described above.

CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward

Contact: Alan Sill

Organisation: Open Grid Forum

Contact details:


Relevant Links:


CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward

Legal, Economic, Ethical and Security Issues

Cloud computing and its ethical challenges


The paper analyses some important ethical challenges posed by cloud computing,

concerning ownership, safety, fairness, responsibility, accountability and privacy.

Ownership, possession, and use

Cloud computing is part of the contemporary tendency towards the deflation of the

notion of ownership and the uniqueness of what is owned. The underlying idea is that use

does not imply ownership, for it might require only temporary possession. Owning and

therefore maintaining large and complex hardware resources is a limiting, expensive and

often unsustainable overhead for users. The issue here is that, while the ownership of the

hardware supporting computing activities is not needed or wanted anymore, the ownership

of the outcome of such activities remains vital.

Safety, reliability and data insurance


Storing large amounts of potentially sensitive data on hardware facilities owned by private

companies poses the problem of how and why the storage provider should be trusted in

managing them properly. The solution here seems to lie in the improvement of the legal

constraints that can make providers trustworthy and in transferring the full ownership and

control of the data access and usage from the provider to the user.

Fairness and digital divide

Cloud computing contributes to a democratisation of computing resources through their

potential wider distribution at a lower cost. Yet the digital divide is also a problem of accessibility

and usability, and in these two respects, Cloud computing may easily exacerbate it.

Control and responsibility

Cloud computing shifts the control of a computational infrastructure from the provider

to the user. Users remain legally responsible for their wrongdoing but they are not preemptively

incapacitated to misuse the provided infrastructure. They are assumed to be

entirely responsible of their computing activities because they are fully empowered. This

leads to a more complicated issue, the relationship between accountability and privacy.

Accountability and privacy

Accountability is used to enforce responsibility, so it may be seen as a positive factor in

the management of Cloud computing. However, accountability has a direct impact on the

levels of privacy and anonymity of the users. In order to be accountable, users’ actions

need to be traceable and, as such, their physical identity must be knowable to the provider,

while their actions must leave meaningful traces that can be used to identify, prove and

quantify the damage or offence caused by reckless behaviours. Arguably, a principle should

be endorsed for which, among all the available implementation of accountability, the one

that minimizes the erosion of the right to privacy and to anonymity is chosen. For this

reason, solutions based on federated authentication and authorisation and policed logs

access should be preferred to those based on proactive and invasive practices, like deep

packet inspection or proactive log mining.

CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward

Contact Person: Luciano Floridi

Organisation: University of Hertfordshire

Contact details:

Relevant Link:

Contact: Matteo Turilli

Organisation: University of Oxford

Contact details:

Relevant Link:


CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward

VENUS-C Study on economic and legal

implications of sustainable scientific clouds

The importance of interoperability

The interoperability of the Venus-C infrastructure technologies is a key element, which

may be very useful to develop new findings in a collaborative and more efficient manner.

One research question of the VENUS-C project will be whether interoperability, among

different authorisation systems, can be enabled by mapping the common language defined

by the platform to ones defined by the local infrastructures. A loss of interoperability may

cause relevant economic but also immaterial costs for the scientists, because here resides

the added value of the Cloud platform. However, interoperability generates legal and

economic issues.

Potential Economic issues of Scientific Clouds:



Marginal costs: of operating on a Cloud provider’s infrastructure at certain volumes of

data traffic may become more expensive than providing the necessary IT infrastructure



Service interruption or disruption: this could cause significant damages and a loss of

scientists’ reputation. If a large amount of personal and sensitive data is lost, how can

someone quantify this serious damage that is not only legal but also ethical?


Licensing costs: if the scientific communities want to modify legacy application to

function in the Cloud, after the stipulation of the contract, this may cause high costs.


Supply chain failure and problem with transfer of data and software among different

cloud service providers: when a Cloud provider outsources some of its chain services to

third parties, the level security of data can be reduced.


Availability of programming skills to modify legacy application to function in the

Cloud: may cause high costs for the scientific communities.


Increase of CPU-based licensing costs when we moved to a cloud platform: in this case

licensing costs of transferring could be very high and could reduce the value of a Cloud


Potential legal issues and standards of scientific Clouds

In order to make data cooperation secure for researchers, we need to identify the most

relevant issues and standards that allow them to trigger their discovery processes:

» » Data protection: in the scientific Cloud environment sensitive and confidential data

can be shared ethically if researchers obtain informed consent to do so. Consent is

also needed for the participation to the research, obtaining consent for the publication

of results in which their data are included, protecting the identity of the participants,

deciding if restrictions on data access applies to the information as a whole. In the case

of scientific Cloud communities, which exchange data over different countries, the “EU

Binding Corporate Rules” provide a scheme, which may really help also the Venus-C

project to reduce this problem and to ensure the data safety to researchers.


Privacy and confidentiality: in the Scientific environment, there are two kinds of

confidentiality data risks: an identification disclosure risk and an attribute disclosure

risk. Often the ong>Europeanong> Directives and the ECPA are not sufficient to protect users, the

Venus-C project should trigger two different approaches (the restricted data and the

restricted access) to ensure the privacy safety of data.


Intellectual Property Rights: within this context, who may have the recognition of being

the author of the work if the research results stem from a shared process of generation?

Within the shared Cloud environment does it still make sense to talk about Intellectual

Property? The issue is to find a good balance between IPR protection and open access to

research results.


Identity and Access Management: in the case of scientific Cloud communities, it is

not clear how to identify which kind of standards and protocols should apply to the

information exchanged in the scientific Cloud environment, those related to the single

users or those related to a large community?

Before starting a research project in a Cloud Computing environment, the scientific

communities involved should agree to adopt common standards that evaluate who is

responsible for data security. Relevant standards are the ISO/IEC 27000-27001-27002

series and SAS70.

At present, standards for scientists regarding Service Level Agreements, do not take on

board security issues. Instead they focus on: reliability, throughput, durability, elasticity,

linearity, agility, automation, customer service response times and load balancing. All these

issues have also been widely analysed in our study.

CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward

Contact: Francesca Spagnoli

Organisation: Engineering

Contact details:



CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward

The Cloud: Understanding security, privacy

and trust challenges

The overall objective of The Cloud: Understanding the Security, Privacy and Trust Challenges

study is to advise on policy and other interventions which should be considered in order

to ensure that ong>Europeanong> users of cloud environments are offered appropriate protections,

and to underpin a world-leading ong>Europeanong> cloud ecosystem. Cloud computing is

increasingly subject to interest from policymakers and regulatory authorities. The ong>Europeanong>

Commission’s recent Digital Agenda highlighted a need to develop a pan-ong>Europeanong> ‘cloud

strategy’ that will serve to support growth and jobs and build an innovation advantage for

Europe. However, the concern is that currently a number of challenges and risks in respect

of security, privacy and trust exist that may undermine the attainment of these broader

policy objectives. Our approach has been to undertake an analysis of the technological,

operational and legal intricacies of cloud computing, taking into consideration the ong>Europeanong>

dimension and the interests and objectives of all stakeholders (citizens, individual users,

companies, cloud service providers, regulatory bodies and relevant public authorities). We

undertook literature and document review, interviews, case studies and held an expert

workshop to identify, explore and validate these issues in more depth. The present paper

represents the final consolidation of all inputs, suggestions and analyses and contains our

recommendations for policy and other interventions.

Contact: Neil Robinson

Organisation: Rand Europe

Contact details:

Relevant Link: Full report






































Application Programming Interface

Basic Execution Service

Cloud Data Management Interface

Cloud Management Working Group

Distributed Computer Infrastructure

Distributed ong>Europeanong> Infrastructure for Supercomputing Applications

Desktop Management Interface

ong>Europeanong> International Research Organisation

High Performance Computing

High Throughput Computing


National Centre of Scientific Research/ Institute of Biology and

Chemistry of Proteins (Lyon, France)

Independent Software Vendor

Java Message Service

Job Submission Description Language

Memorandum of Understanding

National Grid Initiatives

Open Cloud Computing Interface

Open Source

Open Virtualization Format

Platform as a Service

Software as as Service

Security Assertion Markup Language

Security Content Automation Protocol

Service Level Agreements

Service Manager

Security Policy Group

Storage Resource Management

Virtual Execution Environment Host

Virtual Execution Environment Management

Virtual Machine

Virtual Organisation

Virtual Organization Membership Service

Virtual Organization Management Service

Virtual Research Community

CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward


CloudScape III - Taking ong>Europeanong> Cloud Infrastructure Forward



The views expressed in the use cases and position papers in this document are those of

the authors and do not necessarily reflect the view of the ong>SIENAong> project or the authors’

organisations and/or affiliates. Copyright ong>SIENAong>.

ong>SIENAong> (RI-261575) is funded by the ong>Europeanong> Commission under

Framework Programme 7 (2007-2013) Research infrastructures projects

ong>Europeanong> Commission

More magazines by this user
Similar magazines