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

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The included extensions to Ajax are as follows: ► Client side extensions – Ajax client runtime The main component of the feature pack. It includes extensions to the Dojo toolkit for building Ajax applications. – IBM Atom library IBM Atom library consists of utility functions, data models and widgets for creating, modifying and viewing Atom feeds. – IBM gauge widgets Two gauge widgets are provided as base objects to build other widgets on them: the analogue gauge and the bar graph. – IBM SOAP library IBM SOAP library implements a simple way to create a SOAP envelope around a request and a widget to connect to external SOAP services. – IBM OpenSearch library IBM OpenSearch library provides an interface to servers that implement the OpenSearch specification. ► Server side extensions: – Ajax proxy Ajax proxy is an implementation of a reverse proxy that accepts requests from a client and redirect them to one or more servers while letting the client believe that all the responses from its requests come from the same server. – Web messaging service Web messaging service is a publish and subscribe implementation that connects a Web browser to the WebSphere Application Server service integration bus for server-side event push. – JSON4J libraries JSON4J libraries are an implementation of a set of JSON classes. – RPC adapter libraries RPC adapter libraries are the IBM implementation for Web remoting, which is a pattern that provides the ability to invoke Java methods on the server side from JavaScript. – Abdera-based feed libraries Abdera-based feed libraries are an implementation of Apache Abdera, which is an open-source project providing feed support. 410 WebSphere Application Server V7.0: Concepts, Planning, and Design
Figure 13-1 shows the main components of this feature pack. Figure 13-1 Components of WebSphere Application Server Feature Pack for Web 2.0 13.2.3 Security considerations 13.2.4 Resources Feed reader Ajax Browser Ajax Browser Ajax Atom Atom JSON WebSphere Application Server Web feeds IBM RPC adapter Ajax proxy Services and JEE assets External Web resources The security issues on Ajax are well known. Different forms of attacks can take advantage of the usage of client-side scripts that can be easily forged to consume information from untrusted sources or to collect confidential data from the user. Adopting some measures may led to more secure applications. Input validation, proper coding, loading scripts only from trusted sources, encryption, and a correct server security configuration on the server side are some of the measures you should consider. For a complete overview and detailed information about the Feature Pack for Web 2.0, refer to the WebSphere Application Server V7.0 Information Center at the following Web page: http://publib.boulder.ibm.com/infocenter/wasinfo/v7r0/index.jsp?topic=/ com.ibm.websphere.web20fep.multiplatform.doc/info/welcome_nd.html Chapter 13. WebSphere Application Server Feature Packs 411
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WebSphere Application Server V7.0:
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Note: Before using this information
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2.2 Tivoli Directory Server . . . .
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5.1.3 Security . . . . . . . . . .
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7.9 WebSphere performance tools . .
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11.4 Web services architecture . .
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14.9.7 Java Command Language (JACL)
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xiv WebSphere Application Server V7
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Trademarks IBM, the IBM logo, and i
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xviii WebSphere Application Server
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Tze Puah is an Application Infrastr
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Become a published author Join us f
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1.1 Java Platform Enterprise Editio
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1.2 WebSphere Application Server ov
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1.2.2 Evolving Java application dev
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Runtime provisioning WebSphere Appl
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WebSphere Application Server suppor
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Installation Factory WebSphere Appl
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WebSphere Application Server for z/
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These features become more importan
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1.4 Supported hardware, platforms,
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Operating systems Versions Linux®
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1.4.5 Directory servers Databases V
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► Product binaries and source cod
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Some of the features of Rational Ap
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Groovy and PHP. It also includes ap
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2.1 Tivoli Access Manager IBM Tivol
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All communication between the Tivol
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LDAP is a fast and simple way of lo
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For WebSphere Application Server Ve
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WebSphere MQ applications can send
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► Technology Adapters These adapt
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The IBM WebSphere DataPower SOA App
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Client or Server Internet IP Firewa
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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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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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WebSphere Application Server V7.0:
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