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

使用DDE23实现tcp 拥塞控制算法的分岔-Using dde23 of matlab to achieve the congestion control of tcp, it contains 3 pictures