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ECN verbose mode: a statistical method for network path congestion estimation

Diana, Rémi and Lochin, Emmanuel ECN verbose mode: a statistical method for network path congestion estimation. (2010) In: INFOCOM IEEE Conference on Computer Communications Workshops, 2010, 15-19 March 2010, San Diego, United States .

(Document in English)

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Official URL: http://dx.doi.org/10.1109/INFCOMW.2010.5466644


This article introduces a simple and effective methodology to determine the level of congestion in a network with an ECN-like marking scheme. The purpose of the ECN bit is to notify TCP sources of an imminent congestion in order to react before losses occur. However, ECN is a binary indicator which does not reflect the congestion level (i.e. the percentage of queued packets) of the bottleneck, thus preventing any adapted reaction. In this study, we use a counter in place of the traditional ECN marking scheme to assess the number of times a packet has crossed a congested router. Thanks to this simple counter, we drive a statistical analysis to accurately estimate the congestion level of each router on a network path. We detail in this paper an analytical method validated by some preliminary simulations which demonstrate the feasibility and the accuracy of the concept proposed. We conclude this paper with possible applications and expected future work.

Item Type:Conference or Workshop Item (Paper)
Additional Information:Thanks to IEEE. The original PDF of the article can be found at IEEE website http://www.ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=5466644
Audience (conference):International conference proceedings
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Université de Toulouse > Institut National des Sciences Appliquées de Toulouse - INSA (FRANCE)
Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE-SUPAERO (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
Université de Toulouse > Université Toulouse - Jean Jaurès - UT2J (FRANCE)
Other partners > Laboratoire de recherche en télécommunications spatiales et aéronautiques - TéSA (FRANCE)
Laboratory name:
Deposited On:01 Jul 2010 10:34

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