http data collation

http://blog.csdn.net/java1993666/article/details/78031067


TCP packet structure:

https://jerryc8080.gitbooks.io/understand-tcp-and-udp/chapter2.html

TCP flow control and congestion control :

http://blog.csdn.net/seu_calvin/article/details/53198282


HTTP long and short connections:

http://www.cnblogs.com/0201zcr/p/4694945.html

What happened to visiting the browser page:
[url]https://zhuanlan.zhihu.com/p/28319961
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