Models of WWW-Traffic: a Comparison of Pareto and Logarithmic Histogram Models
نویسنده
چکیده
In this paper we present results from measurements of WWW-traffic, the analysis of the data measured, and derive two simple models that could be used to describe WWW-traffic for performance assessment purposes. We analyze client WWW-sessions that are characterized by the size of the response and inter-response intervals. The samples of both categories are found to exhibit heavy-tailed properties. Thus, we represent WWW-traffic by two models: an independent Pareto model and a logarithmic histogram model. The models are evaluated by simulating the transmission of traffic generated by the models over an ATM link using the VBR service category. We show that the histogram model is able to represent the properties of WWW-traffic with higher accuracy while the Pareto model is able to resume the characteristics of WWWtraffic with fewer parameters. University of Würzburg Institute of Computer Science Research Report Series Models of WWW-Traffic: a Comparison of Pareto and Logarithmic Histogram Models Norbert Vicari Report No.: 198 March 1998 Institute of Computer Science, University of Würzburg, Am Hubland, D 97074 Würzburg, Germany Tel.: +49 931 888 5505, Fax.: +49 931 888 4601 e-mail: [email protected]
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