J2EE体系架构

框架：Struts、Spring、Hibernate
前端缓存EhCache：
http://raychase.iteye.com/blog/1545906
http://blog.sina.com.cn/s/blog_46d5caa40100ka9z.html
http://www.blogjava.net/liuwentao253/archive/2010/02/05/312081.html
http://www.iteye.com/blogs/tag/ehcache
http://dreamzhong.iteye.com/blog/1161954
http://sishuok.com/forum/posts/list/315.html
http://www.cnblogs.com/leehongee/archive/2012/03/23/2413106.html
负载均衡：Nginx+Keepalived
数据库：MySQL、Oracle或分布式数据库MySQL Cluster
Web Service：Axis 或 XFire