NDLI: Fairness of AQM schemes for TCP-friendly traffic

Content Provider	IEEE Xplore Digital Library
Author	Chatranon, G. Labrador, M.A. Banerjee, S.
Copyright Year	2004
Description	Author affiliation: Pittsburgh Univ., PA, USA (Chatranon, G.)
Abstract	The increasing deployment of unresponsive streaming applications has triggered the design of a number of new mechanisms and protocols to reduce the potential risk of unfairness and congestion collapse in the Internet. Fair non-per flow active queue management (AQM) schemes, such as BLACK, have recently been proposed to maintain fairness when unresponsive constant bit rate UDP flows share a bottleneck link with responsive TCP traffic. Similarly, TCP-friendly protocols have been developed to provide smooth congestion control that is suitable for multimedia applications while still being compatible with TCP. However, the performance of these fair AQM mechanisms has not been evaluated when different TCP-friendly flows compete against TCP versions. As TCP-friendly protocols react to packet drops differently from TCP, the various AQM schemes might punish some flows unfairly. However, this aspect has not been studied yet. The paper provides two key contributions. First, it provides the first comprehensive evaluation of fair AQM schemes under the presence of various types of TCP friendly traffic. From experimental results, we found that a fair AQM scheme must be chosen not only based on its performance or capability to deal with unresponsive flows as is usually done, but also considering its performance when other types of flows are included, such as TCP-friendly sources. Second, the paper presents an enhanced version of BLACK that outperforms all of the other fair non per-flow state information AQM schemes.
Starting Page	725
Ending Page	731
File Size	914488
Page Count	7
File Format	PDF
ISBN	0780387945
DOI	10.1109/GLOCOM.2004.1378056
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-11-29
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Traffic control Protocols Internet Inductors Stochastic processes Communication system traffic control Laboratories Bit rate Streaming media Bandwidth
Content Type	Text
Resource Type	Article

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