网络通信中，随着信息交换价值的提高，对可靠性的要求也越来越高。拥塞是由于网络中传送的信息分组数量过多而造成网络的传输性能下降的现象。本文首先介绍了拥塞产生的原因，然后详细介绍了几种控制拥塞的策略。%Network communication, information exchange with the increase in the value of the reliability requirements are also increasing. Network congestion is due to the number of packets in the transmission of information caused by excessive network transmission performance decline.This paper describes the causes of congestion,then details several congestion control strategies.
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