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Time-averaging of high-speed data transfer protocols
Authors:Marquez   R. Altman   E. Sole-Alvarez   S.
Affiliation:Dept. de Sistemas de Control, Univ. de Los Andes, Merida, Venezuela;
Abstract:We propose two modeling approaches of additive-increase/multiplicative-decrease (AIMD) congestion control mechanisms. The first separates the increase and decrease parts whereas the second describes the rate evolution of the congestion window as a continuous process governed by a differential equation. We relate these approaches and show that the second (fluid-flow) model results from deterministic time averaging of the first (discontinuous) model. A generalized class of nonlinear protocols, which includes Floyd's HighSpeed TCP, is then proposed and analyzed. Our findings are validated by simulation.
Keywords:
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