http://www.kegel.com/c10k.html
使用异步 I/O 大大提高应用程序的性能
http://www.ibm.com/developerworks/cn/linux/l-async/index.html
Improving (network) I/O performance
http://www.cppblog.com/tx7do/archive/2007/09/09/31907.html
使用 epoll 进行高性能网络编程
http://www.lupaworld.com/action_viewstutorial_itemid_2984.html
http://www.cppblog.com/true/default.html?page=10