解析手法によるトラヒックシェーピング機構の性能評価

概要

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Traffic shaping can reduce delay and loss in the network nodes by smoothing the traffic before letting it entering the network. Rate control algorithms such as Leaky Bucket and Moving Window are proposed for traffic shaping. Although many efforts have been made to analyze the performance of Leaky Bucket as a rate control scheme, few results can be found for Moving Window-liked mechanisms. In this paper, we build a general purposed analytical model for Moving Window scheme, by dealing it as a G/D/m queueing system, give the resolution for the Poisson and batch Poisson arrival, and by showing the results obtained through analytical models for Moving Window and Leaky Bucket, and results of simulation, give comparison of the performance of these two schemes when they are used for traffic shaping.
国立情報学研究所の論文