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An Experimental Study on the Performance and Fairness of Loss Differentiation for TCP
Karlstad University, Faculty of Economic Sciences, Communication and IT, Department of Computer Science. Karlstad University, Faculty of Economic Sciences, Communication and IT, Centre for HumanIT.
Karlstad University, Faculty of Economic Sciences, Communication and IT, Department of Computer Science. Karlstad University, Faculty of Economic Sciences, Communication and IT, Centre for HumanIT.
2004 (English)In: ICETE 3, , INSTICC Press, 2004, -419 p.Conference paper, (Refereed)
Abstract [en]

This paper investigates the performance and fairness of receiver-based loss differentiation for TCP. Experimentshave been performed with a FreeBSD kernel implementation. As expected, the results verify theeffectiveness of receiver-based loss differentiation when corruption losses are present. However, if the the corruptinglink is shared with users that do not employ loss differentiation, the performance gain typically comesat the expense of increased unfairness. The results show that a single loss differentiating user may in somecases reduce the bandwidth of users without loss differentiation with up to 35 percent, but there are also cases where loss differentiation has limited fairness implications. The results further show that if a user employs multiple TCP connections over the corrupting link the negative effects of corruption losses are reduced. This is true even if all connections employ regular TCP. Hence, multiple connections at the application level can to some extent be used as a simple mechanism to limit the impact of corruption losses.

Place, publisher, year, edition, pages
INSTICC Press, 2004. -419 p.
Keyword [en]
KauNet
National Category
Computer Science
Research subject
Computer Science
Identifiers
URN: urn:nbn:se:kau:diva-16883OAI: oai:DiVA.org:kau-16883DiVA: diva2:590479
Conference
ICETE 25-28 aug Setubal, Portugal, August 2004
Available from: 2013-01-21 Created: 2013-01-21 Last updated: 2014-09-22Bibliographically approved

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http://www.cs.kau.se/cs/research/kaunet/papers/final_icete04JG.pdf

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