哈希分布与一致性哈希

http://www.iteye.com/topic/611976

http://www.iteye.com/topic/684087?? Ketama一致性Hash算法(含Java代码) --nb

http://blog.csdn.net/sparkliang/article/details/5279393

http://weblogs.java.net/blog/2007/11/27/consistent-hashing