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Eleventh International Network Conference (INC 2016)
Title: Investigating Environmental Causes of TCP Retransmission and Flags in Wireless Networks
Author(s): Stuart Cunningham, Nigel Houlden, John Davies, Vic Grout, Richard Picking
Keywords: reliability; retransmission, wi-fi; wireless; 802.11
Abstract: Wireless computer networks are pervasive, but recent work has identified that there remain performance issues that prevent users from utilizing the full capacity of wireless equipment. Much research has taken place to compare the performance of different configurations of wireless networks to one another, but there has been little done recently to determine the effect that the physical environment has upon wireless performance. In this study, we compare TCP retransmission and flag proportions of captured network traffic over a wired and two wireless connection conditions, to determine what extent the physical environment is impacting upon performance in contemporary, real-world networks. Though limited by the practicalities of conducting our experimental work, our analysis indicates that physical environment is not playing a substantial role in the underutilization of conventional wireless networking capacity.
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