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Lookup NU author(s): Professor Aad van Moorsel,
Dr Katinka Wolter
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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.
Author(s): Reinecke P, van Moorsel APA, 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: 3rd European Performance Engineering Workshop
Year of Conference: 2006
ISSN: 0302-9743 (Print) 1611-3349 (Online)
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Series Title: Lecture Notes in Computer Science