Proposal and Evaluation of a Network-Initiated TCP Control

概要

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The potential role of a network in improving end-to-end TCP control is considered. Communications in the high-speed network age are revealing the limitations of end-to-end TCP control. Especially, fairness among TCP connections is one such example. Solving these problems requires not only end-to-end control hut also active network control. A brief overview of related work is given, followed by the proposal of a method for adjusting the Ack interval based on network information. The principle of our algorithm is based on the relationship between TCP transmission rate at TCP sources and Ack packets intervals from the bottleneck router. Our algorithm implicitly controls transmission rate of TCP sources. Special focus is given to a scenario in which a networks has a bottleneck at a router. Simulation based on the proposed interworking algorithm, called AckAdjust, showed a good end-to-end TCP performance as to fairness between multiple TCP connections in various cases.
社団法人電子情報通信学会の論文
2003-02-01