Networking

Effect of Buffers on Stability of Internet Congestion Controllers

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Executive Summary

Almost all existing fluid models of congestion control assume that the fluid flow at the output of a link is the same as the fluid flow at the input of the link. This means that all links in the path of a flow see the original source rate. In reality, a fluid flow is modified by the queueing processes on its path, so that an intermediate link will generally not see the original source rate. In this paper, the authors propose a simple model that explicitly takes into account of the effect of buffering on output flows.

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