Research on Adaptive Congestion Control Based on One Way Delay

Min Li, Shaobo Deng, Chunhua Zhou
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引用次数: 1

Abstract

Two congestion control mechanism for real-time streaming media communications based on UDP are analyzed in this paper, one is based on packet loss rate, and another is based on RTT (round-trip time), also an algorithm of adaptive one way delay congestion prediction (AAOWDCP) is proposed in the paper. AAOWDCP can shorten time interval of congestion feedback to the great extent and enhance real-time performance of congestion judgment. At last, a simulation of congestion controls, one is based on packet loss rate and another is based on RTT (round-trip time), and the performance of AAOWDCP is carried out by using the NS simulator, the simulation validates the superiority of AAOWDCP.
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基于单向延迟的自适应拥塞控制研究
分析了基于UDP的实时流媒体通信的两种拥塞控制机制,一种是基于丢包率的拥塞控制机制,另一种是基于往返时间的拥塞控制机制,并提出了一种自适应单向延迟拥塞预测算法(AAOWDCP)。AAOWDCP可以在很大程度上缩短拥塞反馈的时间间隔,提高拥塞判断的实时性。最后,对基于丢包率和RTT(往返时间)的拥塞控制进行了仿真,并利用NS模拟器对AAOWDCP的性能进行了仿真,验证了AAOWDCP的优越性。
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