Mathematics model and performance evaluation of a scalable TCP congestion control protocol to LNCS/LNAI proceedings

Authors:
Li-Song Shao;He-Ying Zhang;Yan-Xin Zheng;Wen-Hua Dou
Affiliations:
Computer School, National University of Defence Technology, Changsha, China;Computer School, National University of Defence Technology, Changsha, China;Computer School, National University of Defence Technology, Changsha, China;Computer School, National University of Defence Technology, Changsha, China
Venue:
GCC'05 Proceedings of the 4th international conference on Grid and Cooperative Computing
Year:
2005

Citing 5
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Abstract

So far the AIMD (Additive Increase Multiplicative Decrease) mechanism used by the conventional TCP congestion control protocol has been supported nearly by every Internet hosts. However, the conventional TCP has been designed without the theoretic foundations, so as to result in some problems in the long distance high speed network, such as the low bandwidth efficiency and the RTT (Round Trip Time) bias. Based on the flow fluid model, this paper models a scalable TCP congestion control protocol by the continuous differential equation on the RTT timescale, analyzes the condition for stability, and discusses the interrelations among stability, fairness and efficiency, which is aid to guide the design of end-to-end congestion control in the future.