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多路径传输控制协议(MPTCP)与并发多路径传输控制协议(CMT-SCTP)是下一代互联网多路径并发传输的2种热点技术,但传统拥塞控制算法只适合于单路径传输,应用于多路径传输时会面临公平性的问题。为此,研究传统TCP拥塞控制算法,针对多路径并发传输的不公平性问题,基于资源池思想,引入慢启动阈值比因子、增长因子和抢占因子,给出3种新的拥塞控制算法,并通过仿真进行对比分析。
Multi-path Transmission Control Protocol (MPTCP) and Concurrency Multi-path Transmission Control Protocol (CMT-SCTP) are two hotspot technologies for next-generation Internet multi-path concurrent transmission. However, the traditional congestion control algorithm is only suitable for single path transmission and is applied to multipath Transmission will face the issue of fairness. Therefore, the traditional TCP congestion control algorithm is studied. To address the problem of unfairness of multi-path concurrent transmission, three kinds of new congestion control algorithms are proposed based on the resource pool idea by introducing the slow start threshold ratio factor, growth factor and preemption factor Through the simulation comparative analysis.