Drop policy to enhance TCP performance in OBS networks

Su Kyoung Lee, Lae Young Kim

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

In Optical Burst-Switched (OBS) networks, the loss of burst containing a number of IP packets occurs mostly due to contention rather than congestion so that a TO (Time Out) event will trigger unnecessary TCP congestion control resulting in significant throughput degradation [1]. Therefore, in this letter, we propose a Drop Policy (DP) with burst retransmission where a new concept of retransmission-count for bursts is introduced to mitigate unnecessary TCP congestion control. The analytical and simulation results show that the TCP throughput is improved by our proposed DP with burst retransmission.

Original languageEnglish
Pages (from-to)299-301
Number of pages3
JournalIEEE Communications Letters
Volume10
Issue number4
DOIs
Publication statusPublished - 2006 Apr

Bibliographical note

Funding Information:
Manuscript received August 29, 2005. The associate editor coordinating the review of this letter and approving it for publication was Prof. Changcheng Huang. This work was supported in part by Korea Science and Engineering Foundation (KOSEF) through OIRC project. S. K. Lee and L. Y. Kim are with Yonsei University (e-mail: sklee@cs.yonsei.ac.kr). Digital Object Identifier 10.1109/LCOMM.2006.04009.

All Science Journal Classification (ASJC) codes

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

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