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Performance Evaluation of TCP Vegas over Optical Burst Switched Networks

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3 Author(s)
Basem Shihada ; Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, Canada. ; Qiong Zhang ; Pin-Han Ho

It has been shown that burst retranmsission scheme and burst deflection scheme can effectively reduce the burst loss probability, thereby improving the performance of loss-based TCP implementations. However, both schemes introduce additional delays for bursts that are retransmitted or deflected. The additional delays could result in delay-based TCP falsely detecting network congestion, which may negatively impact the performance of delay-based TCP implementations, such as TCP Vegas. In this paper we investigate the delay-based TCP Vegas behavior over OBS networks. Furthermore, we analyze the throughput of TCP Vegas over a barebone OBS network and an OBS network with burst retransmission.

Published in:

2006 3rd International Conference on Broadband Communications, Networks and Systems

Date of Conference:

1-5 Oct. 2006