fast_tcp的源代码加上了自己对它的中文注释，由于关于这方面的资料比较少所以想把自己做的一些东西拿出来，让同样学TCP的网友多点参考-fast_tcp added the source code of its own Chinese notes, as a result of the information in this regard is less so wanted to do something out so that the same TCP users learn more re

TCP Reno is widely deployed in networks all of the world，and is considered to be the standard protocol of TCP congestion control algorithm．It consists of four mechanisms：Slow Start，Congestion Avoidance，Fast Retransmission and Fast Recovery． B