Minimizing application-level delay of multi-path TCP in wireless networks: A receiver-centric approach

Se Yong Park, Changhee Joo, Yongseok Park, Saewoong Bahk

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

Multi-Path TCP (MPTCP) has attracted much attention as a promising technology to improve throughput performance of wireless devices that support multi-homed heterogeneous networks. Although MPTCP provides significant increase in network capacity, it may suffer from poor delay performance since the delay tends to be aligned with the worst-performing path: packets delivered through a short-delay subflow have to wait in the reordering buffer for packets being transmitted over a long-delay subflow. In this paper, we investigate the application-level delay performance of streaming traffic over MPTCP, and develop an analytical framework to take into account non-negligible network queuing delay and the interplay of congestion control between multiple subflows. We design a simple threshold-based subflow traffic allocation scheme that aims to minimize user-level delay and develop a receiver-centric traffic splitting control (R-TSC) that can be tuned to user preferences. The client-side R-TSC solution facilitates incremental deployment of low-delay streaming service over MPTCP. Through simulation and testbed experiments using commercial LTE and WiFi networks, we demonstrate significant performance gains over the standard MPTCP protocol.

Original languageEnglish
Title of host publicationProceedings - 2015 IEEE 23rd International Conference on Network Protocols, ICNP 2015
PublisherIEEE Computer Society
Pages245-255
Number of pages11
ISBN (Electronic)9781467382953
DOIs
Publication statusPublished - 2016 Mar 18
Externally publishedYes
Event23rd IEEE International Conference on Network Protocols, ICNP 2015 - San Francisco, United States
Duration: 2015 Nov 102015 Nov 13

Publication series

NameProceedings - International Conference on Network Protocols, ICNP
Volume2016-March
ISSN (Print)1092-1648

Conference

Conference23rd IEEE International Conference on Network Protocols, ICNP 2015
Country/TerritoryUnited States
CitySan Francisco
Period15/11/1015/11/13

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Software

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