iPhone消息推送机制实现与探讨

http://www.cnblogs.com/zhuqil/archive/2011/06/05/2070679.html

http://www.tairan.com/archives/194

http://www.php230.com/the-flow-of-push-message-to-ios-device-by-php.html

http://www.cnblogs.com/hubj/archive/2012/06/14/2549816.html

http://www.weste.net/2013/4-14/90409.html