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Performance of an IPv6 Web Server under Congestion

Authors:
Alae Loukili
Anthony Tsetse
Alexander Wijesinha
Ramesh Karne
Patrick Appiah-Kubi

Keywords: IPv6; congestion; Web server; performance; bare PC

Abstract:
We conduct experiments using an IPv6 Web server in a test LAN environment with several routers to determine the performance under congestion due to IPv6 and IPv4 traffic. The experiments use an Apache Web server and a bare PC Web server with no operating system. Requests to the servers are made using an ordinary Web browser. Different levels of congestion are created by using MGEN traffic generators. It is found that the IPv4 throughput is slightly greater than (or approximately equal to) the IPv6 throughput under the same level of congestion. When the IPv4 throughput is larger, the differences are between 4-23%. However, Apache server delays for HTTP requests over IPv6 are between 6-32 ms more than for IPv4 depending on the level of congestion. For all congestion levels, the bare PC Web server has significantly lower throughput and larger delays than Apache regardless of whether IPv6 or IPv4 is used since it does not implement any TCP optimizations. The results show that Web server throughput and delay for browser requests depend on both the congestion traffic rate and the percentage of like traffic in the congestion mix.

Pages: 158 to 162

Copyright: Copyright (c) IARIA, 2013

Publication date: January 27, 2013

Published in: conference

ISSN: 2308-4413

ISBN: 978-1-61208-245-5

Location: Seville, Spain

Dates: from January 27, 2013 to February 1, 2013