Impact2013_TAW-2660 - Introduction to WebSphere Application Server.pdf

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© 2013 IBM Corporation Introduction to WebSphere Application Server Pete Neergaard, WebSphere Education Development IBM 2660
2 Objectives This session briefly covers: Architecture of a WebSphere Application Server Cell Application Servers Building a cell Deployment Managers Node agents Web Servers Profiles Configuration Repository Administration Console and wsadmin Application Deployment WebSphere Security Liberty Profile
3 Note: This presentation does not discuss any specific version of WebSphere Application Server Version Screen captures are taken from V6.x, V7, V8.x
4 WebSphere Application Server Packaging Available in multiple packages/editions WebSphere Application Server - Express WebSphere Application Server (Base) WebSphere Application Server Network Deployment All product offerings provide the same same core/base application server functionality WebSphere Application Server Network Deployment WebSphere Application Server Base WebSphere Application Server Express Network Deployment Express / Base Express / Base Express / Base License
5 Express and Base WebSphere Application Server Network Deployment Clustering Node agent Deployment manager Web Services Gateway WebSphere Application Server and WebSphere Application Server Express (up to two processors) Web-based admin EJB container Web container Web services Messaging JDK PMEs Intelligent Management Pack
6 Network Deploy WebSphere Application Server Network Deployment Clustering Node agent Deployment manager Web Services Gateway WebSphere Application Server and WebSphere Application Server Express (up to two processors) Web-based admin EJB container Web container Web services Messaging JDK PMEs Intelligent Management Pack
7 WAS A server1 Configuration A Machine A At the heart of it all is an “application server” WAS provides a J2EE/JEE compliant runtime environment that provides the services and frameworks that support J2EE/JEE applications. Each WebSphere process is an “application server.” The “Base” edition of the product installs as a single, stand-alone application server process. An application server that holds within it the “adminconsole” application so that it can administer itself. Has everything needed to participate as a member of a cell. Tools for administering a Stand-alone application server are the same tools for administering application servers in a Federated cell.
8 server1 Node A server1 Node B Federated From Stand-alone to Federated WAS A server1 Configuration A Machine A Stand-alone DMgr Cell X Configuration X nodeagent Config Xa nodeagent Config Xb
9 Network deployment concepts A deployment manager (DMgr) process manages the node agents Holds the configuration repository for the entire management domain, called a cell Within a cell, the administrative console runs inside the DMgr A node is a logical grouping of application servers Each node is managed by a single node agent process Multiple nodes can exist on a single machine through the use of profiles Deployment manager Cell Node01 server1 Node agent server2 Node02 server3 Node agent server4

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