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JBoss AS 5 Development by Francesco Marchioni

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JBoss AS clustered services

As we just mentioned, the cornerstone of JBoss AS clustering architecture is the JGroups library upon which two main services are built—the first one is JBoss Cache (JBC) library and the second one is the HA Partition service. JBoss Cache is a distributed cache framework used by many clustered services, while HA Partition provides support for RPC calls among cluster members.

JBoss AS clustered services

As you can see from the previous screenshot, the HTTP Session, EJB 3 SFSB, and EJB 3 Entity Bean services rely upon JBoss Cache architecture. On the other hand, the HA Singleton, Client proxies architecture, and former EJB 2 are built upon HA Partition ...

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