基于测试床的单并行TCP比较及异构网络中并行性对吞吐量和公平性的影响
Test-Bed based Comparison of Single and Parallel TCP and the Impact Of Parallelism on Throughput and Fairness in Heterogenous Networks
摘要：
并行传输控制协议（TCP）已被用于在高带宽延迟乘积（BDP）网络上有效地利用用于数据密集型应用的带宽。另一方面，有人认为，一个单一的基于TCP连接与适当的修改，如HSTCP可以模拟和捕获并行TCP的鲁棒性，并可以很好地取代它。在这项工作中，比较单一的基于和建议的并行TCP之间的性能测量，如吞吐量性能和吞吐率的差异，以及链路共享公平性也被观察到，以显示使用所提出的并行TCP对现有的基于单的TCP连接的影响。实验结果表明，基于单点的TCP协议不能克服并行TCP协议，尤其是在丢包率较高的异构网络中。此外，所提出的并行TCP不影响TCP的公平性，这使得并行TCP强烈建议有效地利用数据密集型应用的带宽。
英文摘要：
Parallel Transport Control Protocol (TCP) has been used to effectively utilize bandwidth for data intensive applications over high Bandwidth-Delay Product (BDP) networks. On the other hand, it has been argued that, a single-based TCP connection with proper modification such as HSTCP can emulate and capture the robustness of parallel TCP and can well replace it. In this work a Comparison between Single-Based and the proposed parallel TCP has been conducted to show the differences in their performance measurements such as throughput performance and throughput ratio, as well as the link sharing Fairness also has been observed to show the impact of using the proposed Parallel TCP on the existing Single-Based TCP connections. The experiment results show that, single-based TCP cannot overcome Parallel TCP especially in heterogeneous networks where the packet losses are common. Furthermore, the proposed parallel TCP does not affect TCP fairness which makes parallel TCP highly recommended to effectively utilize bandwidth for data intensive applications.
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