On the effect of the background traffic on TCP's throughput

Zsolt Kenesi, Zoltán Szabó, Zsolt Belicza, S. Molnár
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引用次数: 6

Abstract

The utilization of the free capacity by the TCP congestion control is not perfect due to the complex fluctuations of the background traffic resulting in reduced throughput. Different frequency components of the background traffic have different effects on the TCP performance. In this paper we present a comprehensive TCP performance evaluation study to understand the nature of the TCP adaptivity mechanism in frequency domain. Through simulations we analyze the impact of network parameters and also some alternatives for compensation of the throughput reduction. Finally, based also on the analysis of measured TCP traffic we investigate the robustness of TCP to fluctuations occur in actual network traffic.
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关于后台流量对TCP吞吐量的影响
TCP拥塞控制对空闲容量的利用并不完善,由于后台流量的复杂波动导致吞吐量降低。背景流量的不同频率分量对TCP性能的影响是不同的。在本文中,我们提出了一个全面的TCP性能评估研究,以了解TCP频域自适应机制的本质。通过仿真分析了网络参数的影响,并给出了一些补偿吞吐量降低的备选方案。最后,在对实测TCP流量进行分析的基础上,研究了TCP对实际网络流量波动的鲁棒性。
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