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引用次数: 61
摘要
与大多数TCP变体相比，TCP Vegas提供了显著的性能提升，特别是在使用易出错链路的网络时。然而，在检查延迟对TCP的影响时，我们注意到当网络往返时间超过50ms时，TCP Vegas的性能会显著下降。本文详细介绍了为确定TCP Vegas中这种性能下降行为的原因而进行的研究。在通过仿真验证之前，提出了三个发送端修改并实现为TCP New Vegas
TCP New Vegas: Improving the Performance of TCP Vegas Over High Latency Links
TCP Vegas provides significant performance gains over most TCP variants, especially when used over networks that utilise error prone links. However, whilst examining the impact of latency on TCP we noticed that the performance of TCP Vegas decreases significantly when the network round trip time exceeds 50ms. This paper details research undertaken to identify the cause of this performance decreasing behaviour in TCP Vegas. Three sender-side modifications are proposed and implemented as TCP New Vegas, before being validated via simulation
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