jgroups 入门

官网地址：http://www.jgroups.org/

聊天室示例：http://www.jgroups.org/tutorial/html/ch02.html

2.1. JGroups overview

2.2. Creating a channel and joining a cluster

2.3. The main event loop and sending chat messages

2.4. Receiving messages and view change notifications

2.5. Trying out the SimpleChat application

2.6. Extra credits: maintaining shared cluster state

2.7. Conclusion