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204 Deploying and Managing IP over WDM Networks intertechnology functionality of WINMAN, single-domain functionality dealing with IP only or WDM only is also accommodated. This is useful for NMS operators, giving them the opportunity to realize useful or necessary singledomain functionality. As far as single-domain network provisioning functionality, the creation of IP/MPLS and optical paths scenarios will be described for the IP and WDM domains, respectively. The network inventory will be focused on the correct depiction, through the GUI, of the managed network infrastructure. It is worth mentioning that the management solution under test is policy based. Under this assumption, every experiment performed on the system will lead to different results aligned with the current active policies, because policies dynamically change the system behavior. For example, the ICS provisioning experiment can have different outputs if some policies are changed from one round of the experiment to the next. 11.4.1 Configuration Management/Network Provisioning/Create Optical Path It is essential for the WINMAN operator to be able to manually provide end-to-end optical paths, either during the initialization and configuration of the IP over WDM network, following the network planning period, or for any other reason (e.g., fault, performance degradation, or capacity exhaustion) that the NMS was unable to automatically resolve. In addition, controlling WDM network resources states and their modifications is a basic management action for the NMS configuration functionality. The objective of this experiment is to evaluate and demonstrate the creation of an end-to-end optical path in the WDM network by the system operator and the capability of the WDM-NMS for communicating with the corresponding EMS of the testbed. This experiment scenario is related to the scenarios that show the GUI functionality and is part of the scenario showing interdomain connectivity functionality. 11.4.2 Configuration Management/Network Provisioning/Create IP/MPLS Path The experiment is to verify that the IP-NMS is able to provide all of the consecutive procedures for the provision of IP connectivity with guaranteed bandwidth and QoS by means of a MPLS LSP. A testbed or service provider owner of IP equipment can only use this experiment in order to test the basic IP-NMS functionality of creating end-toend connections over the IP/MPLS infrastructure. From this point of view, it makes sense to have this pure IP/MPLS experiment separated from the general ICS provisioning, which involves a complete IP/WDM network and management infrastructure.
Evaluation of IP over WDM Management Solutions 205 This experiment scenario is related to the scenarios that show the GUI functionality and is part of the scenario showing interdomain connectivity functionality. 11.4.3 Configuration Management/Network Provisioning/ICS Provisioning Different end-user services (MoIP, VoIP, and VPN) will require different connectivity services from the network. This experiment will prove that the NMS solution is able to accept and process a VPN service. Table 11.2 shows the specific aspects of this experiment. Field Value Table 11.2 Experiment Template for Testing the ICS Provisioning Priority High Objectives The NMS serves a request from an SMS for the provisioning of IP network connectivity that supports the VPN service to the end users. The NMS system will show its flow-through provisioning capability (i.e., that the request will be processed fully automatically from request reception to service operational). The operability of the service will be made visible by means of end-user applications making use of the network connections. The data stored in the NMS databases will be checked for validity and consistency. The flow-through provisioning capability is one of the main features of the solution, which makes this experiment very significant. Background A company having several sites spread over the country wants to interconnect the LANs of each site via an IP network with high-speed connections, a high security level, and determined QoS. The solution will be an IP-based VPN. The VPN must support real-time and nonreal-time services. The SMS system orders the network connectivity over an interface, which is a publicly specified interface. Required tools End-user applications that generate traffic that will flow over the provisioned network connections and traffic analyzers that can measure the QoS parameters of the user flows. Required infrastructure An IP over WDM network as described in Chapter 10. Expected outcome The IP connectivity is delivered through the network. The end-user applications are able to make use of the delivered network services. The performance of the network connections will be measured by means of IP traffic analyzers and will be reflected by the quality perception of the end-user applications.
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Contents Foreword xv Preface xix Ac
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Contents vii 4.2 The WDM Network El
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Contents ix 8 Management System Des
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Contents xi 10.3 The WINMAN Testbed
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Contents xiii 13.4.1 Adoption of Op
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xvi Deploying and Managing IP over
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Preface The integration of the Inte
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Coauthors of the IST-OPTIMIST proje
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1 Introduction 1.1 The Importance o
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communications. These legacy networ
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Within these programs, consortia of
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8 Deploying and Managing IP over WD
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10 Deploying and Managing IP over W
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4 Management of the WDM Network Lay
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Management of the WDM Network Layer
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• Lightpaths that may be protecte
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5 IP Over WDM Integration Mechanism
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STM1/ATM interface requirements. Fo
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IP router OLA The version of IP ove
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Gigabit Ethernet interface GbE prov
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the IETF extended the MPLambdaS fra
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ASON/ASTN. ITU-T will try to push t
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The proposed management solution is
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IP Over WDM Integration Mechanisms
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8 Management System Design and Impl
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Future Developments and Challenges
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About the Editors Joan Serrat recei
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