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Dynamic Weight Parameter for the Random Early Detection (RED) in TCP Networks

This paper presents the WeighTed Random Early Detection (WTRED) strategy for congestion handling in TCP networks. WTRED provides an adjustable weight parameter to increase the sensitivity of the average queue size in RED gateways to the changes in the actual queue size. This modification, over the original RED proposal, helps gateways minimize the mismatch between average and actual queue sizes in router buffers. WTRED is compared with RED and FRED strategies using the NS-2 simulator. The results suggest that WTRED outperforms RED and FRED. Network performance has been measured using throughput, link utilization, packet loss and delay.

Provided by: Murdoch University Topic: Mobility Date Added: Mar 2012 Format: PDF

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