Reinforcement of TCP error recovery for wireless communication

Nihal K.G. Samaraweera, Godred Fairhurst

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

When a wireless link forms a part of a network, the rate of packet loss due to link noise may be considerably higher than observed in a modern terrestrial network. This paper studies TCP performance over a range of link environments and highlights the advantage of recent modifications to TCP (e.g. SACK, New-Reno) for wireless communications. It also identifies two key issues which impact the performance of TCP over error prone links: TCP's reliance on timers to recover from a failed retransmission cycle, and TCP's inability to separate congestion packet loss from other types of packet loss. A solution to the first issue is identified and analysed by simulation, and the factors affecting the second issue are outlined.
Original languageEnglish
Pages (from-to)30-38
Number of pages9
JournalACM Computer Communication Review
Volume28
Issue number2
DOIs
Publication statusPublished - 1 Jan 1998

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