常见服务器架构

六个子系统

http://blog.youkuaiyun.com/21aspnet/article/details/6582530

大型网站架构演变历程

http://my.oschina.net/wzwitblog/blog/164240

http://blog.youkuaiyun.com/21aspnet/article/category/837923

youtube架构

http://wribao.php230.com/category/it/367084.html

twitter系统架构分析

http://wribao.php230.com/category/it/107387.html

12306系统架构优化

http://wribao.php230.com/category/it/114177.html

wikipedia结构分析

http://dbanotes.net/opensource/wikipedia_arch.html

又拍网

http://my.oschina.net/longhtml/blog/156335