Method of Estimating Flow Duration Distribution Using Active Measurements(Network)

概要

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Measuring the duration of flow of a TCP connection in an end-to-end path is important in the management of network performance and when this is done an administrator can manage the quality of the networks using the α percentile of the distribution We propose a method of estimating the distribution of flow duration in an end-to-end path through active measurement using a small degree of traffic. This method of estimation is based on traffic characteristics that are observed in measuring traffic in actual networks. It imposes little additional load on networks and the time in computation required to estimate the distribution is also short. The distribution to be estimated is assumed as a log-normal distribution, and the mean and variance of the distribution of a target file size is estimated by using results of active measurements. Means and variances in various file sizes are estimated through the linear relationships between these values (or their logarithms) and file size. We also provide numerical examples using actual traffic data.
社団法人電子情報通信学会の論文
2003-10-01