Head-dropping mechanism in traffic control

Xintong Liu; Oliver W.W. Yang

doi:10.1117/12.570117

25 October 2004 Head-dropping mechanism in traffic control

Xintong Liu, Oliver W.W. Yang

Proceedings Volume 5598, Performance, Quality of Service, and Control of Next-Generation Communication Networks II; (2004) https://doi.org/10.1117/12.570117
Event: Optics East, 2004, Philadelphia, Pennsylvania, United States

Abstract

In this paper, we investigate the application of the head dropping policy as a partial solution to the problem of queue oscillation encountered by RED and its variants. With this method, instead of the tail dropping, which is currently used by RED and many other AQM schemes, the TCP source can be informed of the congestion occurring in the bottleneck router a time period earlier. Specifically, that is a time period of the queuing delay. We have compared DH-RED (drop head RED) and DH-BLUE (drop head BLUE) with the current RED and BLUE in a variety of situations and found that the performances such as the queue size stability as well as packet drop rate can be greatly improved.

Citation Download Citation

Xintong Liu and Oliver W.W. Yang "Head-dropping mechanism in traffic control", Proc. SPIE 5598, Performance, Quality of Service, and Control of Next-Generation Communication Networks II, (25 October 2004); https://doi.org/10.1117/12.570117

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