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A First Study on Using MPTCP to Reduce Latency for Cloud Based Mobile Applications
Karlstad University, Faculty of Economic Sciences, Communication and IT, Department of Computer Science. Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Mathematics and Computer Science. (Distributed Systems and Communications Research Group (DISCO))ORCID iD: 0000-0003-4147-9487
Karlstad University, Faculty of Economic Sciences, Communication and IT, Department of Computer Science. Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Mathematics and Computer Science. (Distributed Systems and Communications Research Group (DISCO))
2015 (English)In: 2015 IEEE SYMPOSIUM ON COMPUTERS AND COMMUNICATION (ISCC), IEEE, 2015, 64-69 p.Conference paper, Published paper (Refereed)
Abstract [en]

Currently, Multipath TCP (MPTCP) – a modifica- tion to standard TCP that enables the concurrent use of several network paths in a single TCP connection – is being standardized by IETF. This paper provides a comprehensive evaluation of the use of MPTCP to reduce latency and thus improve the quality of experience or QoE for cloud-based applications. In particular, the paper considers the possible reductions in latency that could be obtained by using MPTCP and multiple network paths between a cloud service and a mobile end user. To obtain an appreciation of the expected latency performance for different types of cloud traffic, three applications are studied, Netflix, Google Maps, and Google Docs, representing typical applications generating high-, mid-, and low-intensity traffic. The results suggest that MPTCP could provide significant latency reductions for cloud applications, especially for applications such as Netflix and Google Maps. Moreover, the results suggest that MPTCP offers a reduced latency despite a few percent packet loss, and in spite of limited differences in the round-trip times of the network paths in an MPTCP connection. Still, larger differences in the round-trip times seem to significantly increase the application latency, especially for Netflix, Google Maps, and similar applications. Thus, to become an even better alternative to these applications, this paper suggests that the MPTCP packet scheduling policy should be changed: Apart from the round-trip times of the network paths in a connection, it should also consider the difference in round-trip time between the network paths.

Place, publisher, year, edition, pages
IEEE, 2015. 64-69 p.
Series
Proceedings of the IEEE Symposium on Computers and Communications, ISSN 1530-1346
Keyword [en]
mptcp, latency, cloud
National Category
Telecommunications
Research subject
Computer Science
Identifiers
URN: urn:nbn:se:kau:diva-36001ISI: 000380481500011ISBN: 978-1-4673-7194-0 (print)OAI: oai:DiVA.org:kau-36001DiVA: diva2:811349
Conference
IEEE Symposium on Computers and Communication (ISCC)
Projects
Research Environment fro Advancing Low Latency Internet (READY)
Funder
Knowledge Foundation
Available from: 2015-05-11 Created: 2015-05-11 Last updated: 2017-10-31Bibliographically approved

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Grinnemo, Karl-JohanBrunström, Anna
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