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Adaptive Queue Management with Restraint on Non-Responsive Flows

Author(s): Lan Li | Gyungho Lee

Journal: Journal of Systemics, Cybernetics and Informatics
ISSN 1690-4532

Volume: 1;
Issue: 6;
Start page: 40;
Date: 2003;
Original page

Keywords: adaptive RED | Active queue management | drop probability | non-responsive flows

This paper proposes an adaptive queue management scheme (adaptive RED) to improve Random Early Detection (RED) on restraining non-responsive flows. Due to a lack of flow control mechanism, non-responsive flows can starve responsive flows for buffer and bandwidth at the gateway. In order to solve the disproportionate resource problem, RED framework is modified in this way: on detecting when the non-responsive flows starve the queue, packet-drop intensity (Max_p in RED) can be adaptively adjusted to curb non-responsive flows for resource fair-sharing, such as buffer and bandwidth fair-sharing. Based on detection of traffic behaviors, intentionally restraining nonresponsive flows is to increase the throughput and decrease the drop rate of responsive flows. Our experimental results based on adaptive RED shows that the enhancement of responsive traffic and the better sharing of buffer and bandwidth can be achieved under a variety of traffic scenarios.
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