技术贴珍藏

技术贴收藏
哈希树
http://yishanhe.net/merkle-hash-tree/

架构
http://www.blogjava.net/BlueDavy/archive/2008/09/03/226749.html
http://developer.51cto.com/art/200810/91460.htm
http://highscalability.com/all-time-favorites/