A root cause analysis toolkit for TCP |
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| Affiliation: | 1. University of Oslo, Department of Informatics, P.O. Box 1080 Blindern, NO-0316 Oslo, Norway;2. Institut Eurecom, 2229 Route des Crêtes, Sophia Antipolis, France;3. Orange Labs, 905, rue A. Einstein - 06921 Sophia Antipolis, France;1. Fynbos Node, South African Environmental Observation Network, Private Bag X7, Rhodes Drive, Newlands 7735, South Africa;2. Department of Biological Sciences, University of Cape Town, Private Bag X3, Rondebosch 7701, South Africa;3. Department of Integrative Biology, University of California, Berkeley, CA 94720, USA;1. Institut National de Recherche et de Sécurité, 1 rue du Morvan, CS 60027, Vandoeuvre les Nancy Cedex 54519, France;2. Institut Régional de Médecine Physique et de Réadaptation, 75 boulevard Lobau, CS 34209, Nancy Cedex 54042, France;3. Centre de Ressources, d''Expertise et de Performance Sportives, 1 Av Foch, BP 30020, Essey les Nancy 54271, France;1. Centre for Interdisciplinary Research in Rehabilitation and Social Integration (CIRRIS), Quebec City Rehabilitation Institute, Quebec, Canada;2. Faculty of Medicine, Department of Rehabilitation, Laval University, Quebec, Canada |
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| Abstract: | TCP is the most widely used protocol for data transfer over the Internet and for most applications the performance metric of interest is throughput. Identifying the reasons for the throughput limitation of an observed connection is a complex task. We present a set of techniques, called the TCP root cause analysis toolkit, that allow users to determine from a passively captured packet trace the primary cause for the throughput limitation. We present the details of the toolkit and its validation and apply the toolkit to carry out a case study of ADSL traffic. |
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