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Forecasting Full-Path Network Congestion Using One Bit Signalling

Woldeselassie, M; Clegg, RG; Rio, M; (2010) Forecasting Full-Path Network Congestion Using One Bit Signalling. In: 2010 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS. (pp. ? - ?). IEEE

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In this paper, we propose a mechanism for packet marking called Probabilistic Congestion Notification (PCN). This scheme makes use of the 1-bit Explicit Congestion Notification (ECN) field in the Internet Protocol (IP) header. It allows the source to estimate the exact level of congestion at each intermediate queue. By knowing this, the source could take avoiding action either by adapting its sending rate or by using alternate routes. The estimation mechanism makes use of time series analysis both to improve the quality of the congestion estimation and to predict, ahead of time, the congestion level which subsequent packets will encounter.The proposed protocol is tested in ns-2 simulator using a background of real Internet traffic traces. Results show that the methods can successfully calculate the congestion at any queue along the path with low error levels.

Type: Proceedings paper
Title: Forecasting Full-Path Network Congestion Using One Bit Signalling
Event: 2010 IEEE International Conference on Communications
Location: Cape Town, SOUTH AFRICA
Dates: 2010-05-23 - 2010-05-27
ISBN-13: 978-1-4244-6404-3
Keywords: TCP, Congestion Control, ECN, Forecasting
URI: http://discovery.ucl.ac.uk/id/eprint/1320774
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