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On rate limitation mechanisms for TCP throughput: A longitudinal analysis

Araujo, JT; Landa, R; Clegg, RG; Pavlou, G; Fukuda, K; (2016) On rate limitation mechanisms for TCP throughput: A longitudinal analysis. Computer Networks , 113 pp. 159-175. 10.1016/j.comnet.2016.12.003. Green open access

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Abstract

TCP remains the dominant transport protocol for Internet traffic. It is usually considered to have its sending rate covered by a sliding window congestion control mechanism. However, in addition to this normal congestion control, a number of other mechanisms limit TCP throughput. This paper analyses the extent to which network, host and application settings define flow throughput over time and across autonomous systems. Our study draws on data from a longitudinal study spanning five years of passive traces collected from a single transit link. Mechanisms for this include limiting by application, interference with the TCP window control mechanism and artificial limitations on maximum window sizes by the operating system. This paper uses a large data set to assess the impact of each mechanism. We conclude that more than half of all heavy-hitter inbound traffic remains throttled by constraints beyond network capacity. For this data set, TCP congestion control is no longer the dominant mechanism that moderates throughput.

Type: Article
Title: On rate limitation mechanisms for TCP throughput: A longitudinal analysis
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.comnet.2016.12.003
Publisher version: https://doi.org/10.1016/j.comnet.2016.12.003
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Science & Technology, Technology, Computer Science, Hardware & Architecture, Computer Science, Information Systems, Engineering, Electrical & Electronic, Telecommunications, Computer Science, Engineering, INTERNET
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/1550490
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