A Fuzzy Based TCP Congestion Control for Wired Networks

Provided by: International Journal of Computer Applications
Topic: Networking
Format: PDF
Since TCP cannot recognize bit error loss event from congestion loss event, it fails to work well in wired networks with large random error rate. In this paper, a modification in TCP westwood congestion control algorithm is proposed by using a fuzzy controller to enhance its performance in wired networks with high error rate. The number of timeout events and the number of triple duplicate acknowledgement (also called 3dupacks) is counted to measure their ratio as the first input to a fuzzy system so that to differentiate congestion loss from bit error loss.

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