Comparison of RED and e-RED: A Stabilizing AQM Scheme for Congestion Control and Avoidance

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Provided by: Creative Commons
Topic: Networking
Format: PDF
In today's globally integrated emerging technologies, the current Internet protocols uses packet-level mechanisms having end to end links to detect and react to congestion. But the regulation of best-effort traffic and congestion control is largely left to the queue management. Drop-tail, Random Early Detection (RED) and random exponential marking are quite effective in reducing packet losses under certain level of congestion and are insufficient to ensure overall network stability. At times of high congestion, not only does the end user experience very poor performance, but also a lot of network resource is wasted due to retransmissions and aborted connections.
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