Performance evaluation of tcp spurious timeout detection methods under delay spike and packet loss emulating lte handover

IF 0.2 Q4 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS
Toshihiko Kato, M. Moriyama, R. Yamamoto, S. Ohzahata
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引用次数: 1

Abstract

This paper describes the performance evaluation of the well-known spurious timeout detection methods implemented within TCP, Eifel, DSACK, and F-RTO, through experiments with the network emulator emulating handovers over LTE (Long Term Evolution) networks. Specifically, the emulator supports to insert the time-variant delay and packet loss in TCP streams. By taking account of the lossless handover in LTE, this paper shows the results for the cases only the delay spike is inserted, and both delay spike and packet loss are inserted. In the former case, the three methods show the similar performance, but in the latter case, the performance of Eifel is worse than the others. This paper also shows the results when two methods are used together for the delay spike and packet loss case, and indicates that the performance is not improved even if multiple spurious timeout detection methods are implemented.
仿真lte切换时延迟尖峰和丢包情况下tcp伪超时检测方法的性能评价
本文描述了在TCP, Eifel, DSACK和F-RTO中实现的众所周知的虚假超时检测方法的性能评估,通过在LTE(长期演进)网络上模拟切换的网络模拟器进行实验。具体来说,仿真器支持在TCP流中插入时变延迟和丢包。考虑到LTE的无损切换特性,给出了只插入延迟尖峰和同时插入延迟尖峰和丢包两种情况下的结果。在前一种情况下,三种方法表现出相似的性能,但在后一种情况下,Eifel的性能比其他方法差。本文还给出了两种方法同时应用于延迟尖峰和丢包情况下的结果,并指出即使采用多种假超时检测方法,性能也没有提高。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
IADIS-International Journal on Computer Science and Information Systems
IADIS-International Journal on Computer Science and Information Systems COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS-
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