Lost retransmission detection for TCP SACK

Beomjoon Kim, Dongmin Kim, Jai Yong Lee

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

There have been a lot of works to avoid retransmission timeout (RTO) of transmission control protocol (TCP) that takes place in an unnecessary situation. However, most current TCP implementations, even if selective acknowledgment (SACK) option is used, do not have a mechanism to detect a lost retransmission and avoid subsequent RTO. In this letter, we propose a simple modification that enables a TCP sender using SACK option to detect a lost retransmission, which is called TCP SACK+ in simple. We use a stochastic model to evaluate the performance of TCP SACK+. Numerical results evaluated by simulations show that TCP SACK+ improves the loss recovery of TCP SACK significantly in presence of random losses.

Original languageEnglish
Pages (from-to)600-602
Number of pages3
JournalIEEE Communications Letters
Volume8
Issue number9
DOIs
Publication statusPublished - 2004 Sep 1

Fingerprint

Transmission control protocol
Stochastic models
Stochastic Model
Recovery
Numerical Results
Evaluate

All Science Journal Classification (ASJC) codes

  • Modelling and Simulation
  • Computer Science Applications
  • Electrical and Electronic Engineering

Cite this

Kim, Beomjoon ; Kim, Dongmin ; Lee, Jai Yong. / Lost retransmission detection for TCP SACK. In: IEEE Communications Letters. 2004 ; Vol. 8, No. 9. pp. 600-602.
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Lost retransmission detection for TCP SACK. / Kim, Beomjoon; Kim, Dongmin; Lee, Jai Yong.

In: IEEE Communications Letters, Vol. 8, No. 9, 01.09.2004, p. 600-602.

Research output: Contribution to journalArticle

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