A prompt retransmit technique to improve TCP performance for Mobile ad Hoc networks

Dongkyun Kim, Hanseok Bae

Research output: Contribution to journalConference articlepeer-review

Abstract

In addition to research on MANET (Mobile Ad Hoc Networks) routing protocols, efforts to adopt TCP as a reliable transport protocol with some modifications have been made for the smooth integration with the fixed Internet. Basically, the standard TCP depends on the third duplicate ACK in order to retransmit a lost segment. However, when TCP operates on top of reactive routing protocols and is able to distinguish the segments transmitted over the old path from ones transmitted over a new path, TCP performance is improved by retransmitting the lost segment on the first duplicate ACK without waiting for the third duplicate ACK. As a result, it advances retransmission time thanks to our proposed prompt retransmit technique. Simulation work through GloMoSim shows that the prompt retransmit produces better TCP performance than the standard TCP.

Original languageEnglish
Pages (from-to)388-397
Number of pages10
JournalLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume3480
Issue numberI
DOIs
StatePublished - 2005
EventInternational Conference on Computational Science and Its Applications - ICCSA 2005 - , Singapore
Duration: 9 May 200512 May 2005

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