NDLI: Analyzing robust active queue management schemes: a comparative study of predictors and controllers

Content Provider	IEEE Xplore Digital Library
Author	Oruganti, S.S. Devetsikiotis, M.
Copyright Year	2003
Description	Author affiliation: Oper. Res., North Carolina State Univ., Raleigh, NC, USA (Oruganti, S.S.)
Abstract	Active queue management (AQM) techniques are designed to detect incipient network congestion and proactively drop packets so as to avoid congestion later. Most AQM techniques use the exponentially weighted moving average (EWMA) of the queue length as a measure of congestion. More recent efforts, like adaptive virtual queue, have concentrated on rate-based packet marking. In this paper we analyze the robustness of a pure rate based packet marking scheme and compare it with our proactive AQM (PAQM) scheme. The PAQM proposed in this paper extends the calculation of the EWMA queue length by including a term that represents the future traffic intensity. To simplify the analysis, the AQM techniques were studied as a combination of a measurement module and a control module. Robustness, throughput and end-to-end delay jitter were chosen as performance metrics for various combinations of predictors and controllers. We have the following observations for a given network (i) performance of AQM schemes is sensitive to both the weight and interval of predicted future observations and prediction need not always perform better, (ii) the performance of more robust AQM schemes in terms goodput was found to be better than less robust ones.
Starting Page	1531
Ending Page	1536
File Size	302527
Page Count	6
File Format	PDF
ISBN	0780378024
DOI	10.1109/ICC.2003.1203859
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-05-11
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Robust control Queueing analysis Robustness Communication system traffic control Telecommunication traffic Traffic control Throughput Delay Jitter Operations research
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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