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Linear stability analysis of FAST TCP using a new accurate link model
KTH, School of Electrical Engineering (EES).
2006 (English)In: 44th Annual Allerton Conference on Communication, Control, and Computing 2006, 2006, 599-606 p.Conference paper (Refereed)
Abstract [en]

A link model which captures the queue dynamics when congestion windows of TCP sources change was recently proposed. By considering both the self-clocking and the link integrator effects, the model is a generalization of the known extreme cases and is more accurate in general. In this paper, we apply this model to the stability analysis of FAST TCP. It is shown that FAST TCP flows over a single link are always linearly stable regardless of delay distribution. This result resolves the notable discrepancy between empirical observations and previous theoretical predictions. The analysis highlights the critical role of self-clocking in TCP stability and the scalability of FAST TCP with respect to delay. The proof technique is new and much less conservative than existing ones.

Place, publisher, year, edition, pages
2006. 599-606 p.
Keyword [en]
Clocks, Linear stability analysis, Congestion window, Delay distributions, FAST TCP, Link model, Queue dynamics, Single link, Stability analysis, Transmission control protocol
National Category
Fluid Mechanics and Acoustics Applied Mechanics
URN: urn:nbn:se:kth:diva-174826ScopusID: 2-s2.0-84940664295ISBN: 9781604237924OAI: diva2:865608
44th Annual Allerton Conference on Communication, Control, and Computing 2006, 27 September 2006 through 29 September 2006

QC 20151028

Available from: 2015-10-28 Created: 2015-10-07 Last updated: 2015-10-28Bibliographically approved

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Jacobsson, Krister
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