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Impact of TCP Congestion Control on Bufferbloat in Cellular Networks
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Mathematics and Computer Science. (Distributed Systems and Communication Research Group)ORCID iD: 0000-0003-0368-9221
Politecnico di Bari, Italy.
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Mathematics and Computer Science. (Distributed Systems and Communication Research Group)
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Mathematics and Computer Science. (Distributed Systems and Communication Research Group)
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2013 (English)In: Proceedings of the 14th IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks (WoWMoM 2013) / [ed] Angelos Lazaris, Balaji Rengarajan, IEEE Press, 2013Conference paper (Refereed)
Abstract [en]

The existence of excessively large and too filled network buffers, known as bufferbloat, has recently gained attention as a major performance problem for delay-sensitive applications. One important network scenario where bufferbloat may occur is cellular networks.

This paper investigates the interaction between TCP congestion control and buffering in cellular networks. Extensive measurements have been performed in commercial 3G, 3.5G and 4G cellular networks, with a mix of long and short TCP flows using the CUBIC, NewReno and Westwood+ congestion control algorithms. The results show that the completion times of short flows increase significantly when concurrent long flow traffic is introduced. This is caused by increased buffer occupancy from the long flows. In addition, for 3G and 3.5G the completion times are shown to depend significantly on the congestion control algorithms used for the background flows, with CUBIC leading to significantly larger completion times.

Place, publisher, year, edition, pages
IEEE Press, 2013.
Keyword [en]
Buffer bloat, congestion control, TCP, 3G, 4G, measurements
National Category
Communication Systems
Research subject
Computer Science
Identifiers
URN: urn:nbn:se:kau:diva-27779DOI: 10.1109/WoWMoM.2013.6583408ISBN: 978-1-4673-5826-2OAI: oai:DiVA.org:kau-27779DiVA: diva2:627985
Conference
IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks, 4-7 June 2013, Madrid - Spain
Available from: 2013-06-13 Created: 2013-06-13 Last updated: 2016-10-15Bibliographically approved

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