Fair coexistence of regular and multipath TCP over wireless last-miles

Shiva Raj Pokhrel, Manoj Panda, Hai L. Vu

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Recent advancements in Internet congestion control have introduced a multipath TCP (MPTCP) that aims to simultaneously utilize multiple available paths in the network. In this paper, we develop an integrated fluid and packet-level analytical model to study the coexistence of regular and MPTCP users sharing a common WiFi access point (AP). We observe a throughput unfairness of MPTCP with regular TCP in the last-mile WiFi networks. In order to fix the fairness issue, we develop a real-time Adaptive Loss Management (ALM) algorithm that continuously monitors the deviation in AP buffer occupancy and adapts its packet admission probability based on a closed form expression derived from our analytical model. We provide a proof as well as show via numerical and simulation results that the proposed ALM algorithm is TCP-friendly by design, and provably stable.

Original languageEnglish
Pages (from-to)574-587
Number of pages14
JournalIEEE Transactions on Mobile Computing
Volume18
Issue number3
DOIs
Publication statusPublished - 1 Mar 2019

Keywords

  • Analytical models
  • Cellular
  • channel errors
  • convergence and stability
  • Internet
  • Multipath TCP
  • Numerical stability
  • Stability analysis
  • Throughput
  • Transient Analysis
  • Transport protocols
  • Unfairness
  • WiFi
  • Wireless fidelity

Cite this

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title = "Fair coexistence of regular and multipath TCP over wireless last-miles",
abstract = "Recent advancements in Internet congestion control have introduced a multipath TCP (MPTCP) that aims to simultaneously utilize multiple available paths in the network. In this paper, we develop an integrated fluid and packet-level analytical model to study the coexistence of regular and MPTCP users sharing a common WiFi access point (AP). We observe a throughput unfairness of MPTCP with regular TCP in the last-mile WiFi networks. In order to fix the fairness issue, we develop a real-time Adaptive Loss Management (ALM) algorithm that continuously monitors the deviation in AP buffer occupancy and adapts its packet admission probability based on a closed form expression derived from our analytical model. We provide a proof as well as show via numerical and simulation results that the proposed ALM algorithm is TCP-friendly by design, and provably stable.",
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Fair coexistence of regular and multipath TCP over wireless last-miles. / Pokhrel, Shiva Raj; Panda, Manoj; Vu, Hai L.

In: IEEE Transactions on Mobile Computing, Vol. 18, No. 3, 01.03.2019, p. 574-587.

Research output: Contribution to journalArticleResearchpeer-review

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AU - Panda, Manoj

AU - Vu, Hai L.

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