Jointly Coordinating ECN and TCP for Rapid Adaptation to Varying Bandwidth
The introduction of service differentiation in the Internet implies that the residual bandwidth available to best-effort traffic becomes highly variable. We explore the design of a rapidly-reactive congestion control framework, where the ECN-aware best-effort flows aggressively go after any unused c...
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2001
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sg-smu-ink.sis_research-17122020-07-29T00:59:15Z Jointly Coordinating ECN and TCP for Rapid Adaptation to Varying Bandwidth MISRA, Archan OTT, Teunis The introduction of service differentiation in the Internet implies that the residual bandwidth available to best-effort traffic becomes highly variable. We explore the design of a rapidly-reactive congestion control framework, where the ECN-aware best-effort flows aggressively go after any unused capacity. By making routers mark packets in a much more aggressive manner, we are able to achieve fast backoff in the network without resorting to the TCP's current drastic step of halving the congestion window. Simulations indicate that our ECN-mod protocol is better than ECN-NewReno in exploiting rapid variations in the available bandwidth. Moreover, the milder backoff policy of ECN-mod also makes the link utilization less dependent on the exact values of the parameters in the router marking function. 2001-10-01T07:00:00Z text application/pdf https://ink.library.smu.edu.sg/sis_research/713 info:doi/10.1109/MILCOM.2001.985928 https://ink.library.smu.edu.sg/context/sis_research/article/1712/viewcontent/Jointly_coordinating_ECN_and_TCP_2001_av.pdf http://creativecommons.org/licenses/by-nc-nd/4.0/ Research Collection School Of Computing and Information Systems eng Institutional Knowledge at Singapore Management University Software Engineering |
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The introduction of service differentiation in the Internet implies that the residual bandwidth available to best-effort traffic becomes highly variable. We explore the design of a rapidly-reactive congestion control framework, where the ECN-aware best-effort flows aggressively go after any unused capacity. By making routers mark packets in a much more aggressive manner, we are able to achieve fast backoff in the network without resorting to the TCP's current drastic step of halving the congestion window. Simulations indicate that our ECN-mod protocol is better than ECN-NewReno in exploiting rapid variations in the available bandwidth. Moreover, the milder backoff policy of ECN-mod also makes the link utilization less dependent on the exact values of the parameters in the router marking function. |
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MISRA, Archan OTT, Teunis |
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MISRA, Archan OTT, Teunis |
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MISRA, Archan |
title |
Jointly Coordinating ECN and TCP for Rapid Adaptation to Varying Bandwidth |
title_short |
Jointly Coordinating ECN and TCP for Rapid Adaptation to Varying Bandwidth |
title_full |
Jointly Coordinating ECN and TCP for Rapid Adaptation to Varying Bandwidth |
title_fullStr |
Jointly Coordinating ECN and TCP for Rapid Adaptation to Varying Bandwidth |
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Jointly Coordinating ECN and TCP for Rapid Adaptation to Varying Bandwidth |
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jointly coordinating ecn and tcp for rapid adaptation to varying bandwidth |
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Institutional Knowledge at Singapore Management University |
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2001 |
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https://ink.library.smu.edu.sg/sis_research/713 https://ink.library.smu.edu.sg/context/sis_research/article/1712/viewcontent/Jointly_coordinating_ECN_and_TCP_2001_av.pdf |
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