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Experimental analysis of the correlation of HTTP GET invocations

Lookup NU author(s): Professor Aad van Moorsel, Dr Katinka Wolter

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Abstract

In this paper we experimentally investigate if optimal retry times can be determined based on models that assume independence of successive tries. We do this using data obtained for HTTP GET. This data provides application-perceived timing characteristics for the various phases of web page download, including response times for TCP connection set-ups and individual object downloads. The data consists of pairs of consecutive downloads for over one thousand randomly chosen URLs. Our analysis shows that correlation exists for normally completed invocations, but is remarkably low for relatively slow downloads. This implies that for typical situations in which retries are applied, models relying on the independence assumption are appropriate. © Springer-Verlag Berlin Heidelberg 2006.


Publication metadata

Author(s): Reinecke P, Van Moorsel A, Wolter K

Editor(s): Horváth, A; Telek, M

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: Formal Methods and Stochastic Models for Performance Evaluation: Third European Performance Engineering Workshop

Year of Conference: 2006

Pages: 226-237

ISSN: 0302-9743 (Print) 1611-3349 (Online)

Publisher: Springer

URL: http://dx.doi.org/10.1007/11777830_16

DOI: 10.1007/11777830_16

Library holdings: Search Newcastle University Library for this item

Series Title: Lecture Notes in Computer Science

ISBN: 9783540353621


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