A Strategy for Fair Coexistence of Loss and Delay-Based Congestion Control Algorithms
Budzisz, Lukasz and Stanojević, Rade and Shorten, Robert and Baker, Fred (2009) A Strategy for Fair Coexistence of Loss and Delay-Based Congestion Control Algorithms. IEEE Communications Letters, 13 (7). pp. 555-557. ISSN 1089-7798
Delay-based TCP variants have attracted a large amount of attention in the networking community because of their ability to efficiently use network resources, control queuing delays, exhibit virtually zero packet loss, etc. One major issue that discourages the wider deployment of delay-based TCP variants is their inability to co-exist fairly with standard loss-based TCP. In this note we propose a simple mechanism that allows delayand loss-based (AIMD) TCP flows to compete fairly with each other. Further, our approach ensures that delay-based flows automatically (and swiftly) switch to a low-delay regime if no lossbased flows are present. We provide analytical and simulation results to validate presented algorithm.
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