多路径传输协议拥塞算法性能分析与研究
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摘要
随着计算机网络的高速发展,传统的TCP已经无法满足用户对于网络性能日益增高的需求。MPTCP能同时利用多宿主终端的多个网络端口传输数据,极大的提高了网络吞吐量及鲁棒性。然而,由于MPTCP利用多条子流在不同路径上进行传输,会在瓶颈链路上对传统TCP具有侵略性。故MPTCP的拥塞控制算法在设计之初,除了考虑提高网络传输吞吐量以外,还需要考虑对传统TCP友好性。本文通过分析当前MPTCP的几种拥塞控制算法,并研究其性能差异,为下一步的深入研究提供参考。
With the high‐speed development of computer network, the traditional TCP has been unable to meet the rising needs of users for network performance. MPTCP,which simultaneously transmit data using multiple network port of multi‐homing terminals, can greatly improve the network throughput and robustness. Because MPTCP transmit data using multiple subflows on different path,it will be aggressive to traditional TCP by bottleneck link. So before the designing of congestion control algorithm for MPTCP, we not only consider the promotion of throughput, but also be friendly to traditional TCP. In this paper, we research several congestion control algorithm of current version of MPTCP, and study its performance difference, provide reference for further in‐depth research.
引文
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