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Active Queue Management (AQM) aims to provide high link utilization and low queuing delay in communication networks. However, it is challenging to adapt AQM parameters in response to dynamic network scenarios with varying roundtrip time, link capacity and traffic load. In order to maintain a stable queue with desired performance such as high link utilization and low queuing delay, this paper proposes a Statistical Adapting RED (SA-RED) to dynamically tune RED parameters based on the standard deviation of instantaneous queue size, which can be readily measured in practice.
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