WebSphere Application Server V7.0: Concepts ... - IBM Redbooks

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Tze Puah is an Application Infrastructure Services Principal working for Coles Group Ltd in Melbourne, Australia since 2005. His areas of expertise include infrastructure architecture design, implementation, problem determination and performance tuning on WebSphere and Tivoli® products. These products include WebSphere Application Server, WebSphere Portal Server, WebSphere Process Server, WebSphere Commerce Server, WebSphere MQ, WebSphere Message Broker and Tivoli Access Manager. He has 14 years of experience in IT and holds a master degree in Computer Science. Thomas Schulze is a Senior IT Specialist working since 2003 in System z® pre-sales support in Germany. His areas of expertise include WebSphere Application Server running on the System z platform with a speciality on performing Healthchecks and Performance Tuning. He has written extensively on the z/OS® parts of this book. He has 10 years of experience in IBM and holds a degree in Computer Science from the University of Cooperative Education in Mannheim (Germany). David Soler Vilageliu is an IT Architect working for IBM Global Services in Barcelona, Spain. He has more than 19 years of experience playing different technical roles in the IT field and he is working for IBM since 2000. His areas of expertise include WebSphere Application Server, ITCAM for WebSphere, ITCAM for Response Time, and Unix systems. He holds a degree in Computer Science from the Universitat Politècnica de Catalunya (Spain). Martin Keen is a Senior IT Specialist at the ITSO, Raleigh Center. He writes extensively about WebSphere products, and SOA. He also teaches IBM classes worldwide about WebSphere, SOA, and ESB. Before joining the ITSO, Martin worked in the EMEA WebSphere Lab Services team in Hursley, UK. Martin holds a bachelor’s degree in Computer Studies from Southampton Institute of Higher Education. Figure 0-1 Team (left-to-right): Tze, Arden, David, Martin, Thomas, and Hermann xx WebSphere Application Server V7.0: Concepts, Planning, and Design
Thanks to the following people for their contributions to this project: Tom Alcott IBM WorldWide BI Technical Sales, USA Jeff Mierzejewski WebSphere for z/OS Configuration Test, USA Dustin Amrhein WebSphere Web Services Development IBM Software Group, Application and Integration Middleware Software, USA. Aaron Shook IBM WebSphere Application Server Proxy Development, USA. Keys Botzum IBM Software Services for WebSphere (ISSW), USA Tiaoyu Wang IBM Application and Integration Middleware Software Development, Canada David Follis IBM WebSphere Application Server for z/OS Runtime Architect, USA Holger Wunderlich IBM Field Technical Sales Support, z/OS WebSphere Solutions, Germany Mark T. Schleusner IBM WebSphere Serviceability Development, USA Matthew Leming IBM WebSphere Messaging Development, UK Graham Wallis IBM Senior Technical Staff Member, WebSphere Messaging, UK Gerhard Poul IBM Software Services for WebSphere, Austria Brian Stelzer IBM AIM Early Programs - WebSphere Application Server, USA The team who created WebSphere Application Server V6.1: Planning and Design, SG24-7305. Preface xxi
Page 1: WebSphere Application Server V7.0:
Page 4 and 5: Note: Before using this information
Page 6 and 7: 2.2 Tivoli Directory Server . . . .
Page 8 and 9: 5.1.3 Security . . . . . . . . . .
Page 10 and 11: 7.9 WebSphere performance tools . .
Page 12 and 13: 11.4 Web services architecture . .
Page 14 and 15: 14.9.7 Java Command Language (JACL)
Page 16 and 17: xiv WebSphere Application Server V7
Page 18 and 19: Trademarks IBM, the IBM logo, and i
Page 20 and 21: xviii WebSphere Application Server
Page 24 and 25: Become a published author Join us f
Page 26 and 27: 1.1 Java Platform Enterprise Editio
Page 28 and 29: 1.2 WebSphere Application Server ov
Page 30 and 31: 1.2.2 Evolving Java application dev
Page 32 and 33: Runtime provisioning WebSphere Appl
Page 34 and 35: WebSphere Application Server suppor
Page 36 and 37: Installation Factory WebSphere Appl
Page 38 and 39: WebSphere Application Server for z/
Page 40 and 41: These features become more importan
Page 42 and 43: 1.4 Supported hardware, platforms,
Page 44 and 45: Operating systems Versions Linux®
Page 46 and 47: 1.4.5 Directory servers Databases V
Page 48 and 49: ► Product binaries and source cod
Page 50 and 51: Some of the features of Rational Ap
Page 52 and 53: Groovy and PHP. It also includes ap
Page 54 and 55: 2.1 Tivoli Access Manager IBM Tivol
Page 56 and 57: All communication between the Tivol
Page 58 and 59: LDAP is a fast and simple way of lo
Page 60 and 61: For WebSphere Application Server Ve
Page 62 and 63: WebSphere MQ applications can send
Page 64 and 65: ► Technology Adapters These adapt
Page 66 and 67: The IBM WebSphere DataPower SOA App
Page 68 and 69: Client or Server Internet IP Firewa
Page 70 and 71: 2.6 DB2 IBM DB2 is an open-standard
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2.7.1 Integration with WebSphere Ap
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50 WebSphere Application Server V7.
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3.1 WebSphere Application Server co
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Administration is greatly enhanced
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About Figure 3-2 : This figure only
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It is also possible to replicate se
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DMgr Node Deployment Manager Node A
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3.1.6 Deployment manager Local conf
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3.1.8 Job manager The administrativ
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Web server plug-ins A Web server ca
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SIP proxy The SIP proxy design is b
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3.1.11 Generic servers A generic se
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► Aligns WebSphere applications c
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3.2.1 Single cell configurations Yo
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Node Agent Application Server Deplo
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Node Agent V5.1 Application Server
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Administrative Agent WebSphere Appl
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Cluster workload management Workloa
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groups enables WebSphere Applicatio
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Mixed topologies Figure 3-23 shows
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3.4 Runtime processes In this secti
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Node Agent Application Server Deplo
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3.5.3 IBM HTTP Server as an unmanag
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4.1 Infrastructure planning This se
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4.2.1 Scalability Scalability, as u
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4.2.2 Caching 6. Reevaluate. Recogn
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- Consider regular maintenance. In
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4.2.6 Security Disaster recovery co
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► Plan for certificates and their
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4.3 Sizing the infrastructure After
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When using a service such as those
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4.5.4 Load factors ► Monitor reso
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4.5.5 Production system tuning This
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4.6 Planning for monitoring As most
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products, like the IBM Tivoli Compo
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4.7.3 Backup plan 4.7.4 Recovery pl
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120 WebSphere Application Server V7
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5.1 Topology selection criteria 5.1
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Load balancing Use load balancing t
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5.1.3 Security 5.1.4 Maintainabilit
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Scaling Scaling represents the abil
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Both of these options are valid app
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- You will more likely have to call
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5.2 Terminology 5.2.1 Load balancer
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WebSphere Application Server Proxy
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WebSphere Application Server V7.0 s
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5.3.1 Stand-alone server topology T
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► Increased security by using a D
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User Outside World DMZ Internal Net
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Installation and configuration The
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The Web server plug-in distributes
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System D Perform the following step
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primary Load Balancer through heart
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5.3.4 Reverse proxy topology User R
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Installation and configuration: Edg
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System B Perform the following step
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System A 1. Copy the file targetTre
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Note: Each Load Balancer installati
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Disadvantages The major disadvantag
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5.3.6 Heterogeneous cell z/OS DMGR
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Disadvantages The disadvantages of
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Advantages This topology provides t
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The topology in Figure 5-11 shows a
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3. Create an application server pro
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Disadvantages There are no real dis
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This document does not describe the
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When you choose the platform or pla
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6.5 Naming conventions Naming conve
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Forwarding method Each of the avail
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The following examples outline the
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What is next? You can start the Web
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Assume that the application server
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6.8.2 Distributed server environmen
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Assume that the application server
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► Slip install Slip install means
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Deployment Manager . . . Deployment
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Installation factory The Installati
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Note: The IBM Update Installer for
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Profile types The types of profiles
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► Secure proxy profile A secure p
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Deployment manager profile options
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Typical settings Advanced options D
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Application server profile options
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Typical settings Advanced options Y
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Typical settings Advanced options D
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6.9.6 Naming convention The purpose
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If each application server will hos
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There are some specific considerati
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6.10 IBM Support Assistant IBM Supp
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7.1 What is new in V7.0 IBM WebSphe
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7.2.1 Scaling overview Note: In ord
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Note: IBM HTTP Server for z/OS offe
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7.3.2 System tuning To measure the
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For the DMZ secure proxy, there are
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Messaging connection pool When usin
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Workload management is a WebSphere
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For more details about Web server p
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7.5 High availability 7.5.1 Overvie
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7.5.4 Data availability In a WebSph
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7.5.6 Maintainability Software-base
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This time-out can be configured in
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High availability groups High avail
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7.6.1 Edge caching In this section
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7.6.3 Data caching Dynamic caching
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7.7 Session management 7.7.1 Overvi
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The following sections outline the
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Local sessions (non-persistent) If
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► Application Configuration at th
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7.9 WebSphere performance tools Whe
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Monitoring a system naturally chang
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for tuning and performance. The adv
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synthetic transactions or to track
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For more information about ARM, rev
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Planning item Plan for clustering:
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8.1 What is new in V7.0 The followi
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► Enterprise JavaBeans (EJB) thin
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Disciplines Business Modeling Requi
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► Support for WebSphere Applicati
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The WebSphere rapid deployment set
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To group and sort resources in the
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8.5.3 Subversion CVS has the follow
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8.6 Automated build process The maj
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8.8 Automated functional tests Auto
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Development environment Usually, ea
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The system test environment can als
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► Environment-specific This categ
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A lesser known, but better, approac
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Developers need to consider the fol
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► You can use the WebSphere Appli
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9.1 What is new in V7.0 The followi
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9.2 Administrative security We sugg
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9.3.1 Integrated Solutions Console
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JMX, a Java specification part of J
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9.4 Automation planning To emphasiz
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Consider whether to use automatic s
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Some thought needs to be put toward
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Note: A common source of confusion
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File synchronization File synchroni
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9.7.1 Log and traces ► Check the
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9.7.3 Backing up and restoring the
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9.8 Planning checklist for system m
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10.1 Messaging overview: What is me
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10.3.1 Messaging provider standards
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► WebSphere Application Server V5
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If the bus member is a cluster of a
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10.4.2 Choosing a messaging topolog
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With some additional configuration,
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Figure 10-6 illustrates how a servi
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WebSphere MQ server provides the fo
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Other roles that affect permissions
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There is a trade-off between reliab
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11.1 Introduction to Web services W
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11.2.1 What was in Feature Pack for
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► Do you need to promote your bus
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Before we look at the architecture
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Message exchange patterns Some tran
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Workflow-oriented A workflow messag
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Service Consumer Figure 11-8 Compos
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11.5.1 Supported standards WebSpher
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In this type of situation, companie
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Note: Dynamic Caching is only inclu
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12.1 What is new in V7.0 This secti
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Security policy A security policy i
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These components consist of the fol
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The authentication mechanism in Web
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There are some benefits in using Ke
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Lightweight Directory Access Protoc
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12.2.2 Authorization Trust associat
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Fine-grained administrative securit
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that is involved in an Internet tra
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Users Fred Sally Mike Figure 12-4 U
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Note: Be aware that some configurat
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WebSphere Application Server provid
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Scenario 3: Using a z/OS security p
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Resources For a good overall refere
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13.1 Available feature packs The cu
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The included extensions to Ajax are
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Another good source of information
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Figure 13-2 Key SCA concepts ► Pr
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► SCA Web Services Binding V1.0 T
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14.1 WebSphere Application Server s
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14.1.3 Cell component—daemon WebS
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While WebSphere Application Server
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Cell Deployment Manager Control reg
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14.1.6 Workload management for WebS
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Request Platinum customer Request G
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Availability The concept of a separ
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Note: While the 31-bit mode can sti
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► MEMLIMIT setting in the JCL or
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14.4.3 HFS structure The HFS struct
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Cell01 Core Group Node01 Deployment
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14.5.4 XCF—alternative protocol o
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Member notification To notify the o
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14.6 z/OS Fast Response Cache Accel
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Perform the following steps to conf
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Note: By default the FRCA cache is
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14.6.4 Resource Access Control Faci
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The results of this can be as follo
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Note: If the request exceeds the sp
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garbage collection. The garbage col
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14.8.3 Function Modification Identi
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Note: For detailed information abou
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The set of tools is available for W
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14.9 System programmer consideratio
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Intelligent runtime provisioning Th
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Shared class cache This section con
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Because this is a JVM technique tha
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The REUSASID parameter is automatic
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14.10.1 Planning considerations Tab
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Various tools are available to ease
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15.1 Infrastructure migration consi
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15.1.1 Scripting migration Since We
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15.1.6 Mixed cell support To ease t
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Automated migration with mixed vers
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15.4 Messaging migration considerat
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15.7 WebSphere Application Server f
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MMT is intended for use by a system
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5. When you have successfully enter
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Example 15-1 Migration management c
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Tip: The BBOWMG3x job is long runni
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For more information about how to c
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Topology review Client Network (10.
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Advantages Disadvantages Sample top
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► In order to show the new securi
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Installing HTTP Servers (servers B
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Creating Job manager (server E) The
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d. On the Integrated Solutions Cons
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After clicking OK, we got the answe
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One WebSphere Application Server no
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Figure A-10 Additional parameters F
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Figure A-14 Job finished Summary We
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Online resources ► WebSphere Appl
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