http://www.oschina.net/p/dubbo
http://www.blogjava.net/hispark/archive/2008/12/01/243310.html
http://www.kafeitu.me/activiti/2012/03/22/workflow-activiti-action.html
http://www.oschina.net/p/kafka
focus on these tools
原文：http://www.cnblogs.com/feika/p/4175787.html
