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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editor: Keren Bergman
  • Vol. 7, Iss. 5 — May. 1, 2008
  • pp: 487–495

Window-based burst assembly scheme for TCP traffic over OBS

Kostas Ramantas, Kyriakos Vlachos, Óscar González de Dios, and Carla Raffaelli  »View Author Affiliations


Journal of Optical Networking, Vol. 7, Issue 5, pp. 487-495 (2008)
http://dx.doi.org/10.1364/JON.7.000487


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Abstract

The impact of burstification delay on the transmission control protocol traffic statistics is presented as well as a new assembly scheme that uses flow window size as the threshold criterion. It is shown that short assembly times are ideally suitable for sources with small congestion windows, allowing for a speedup in their transmission. In addition, large assembly times do not yield any throughput gain, despite the large number of segments per burst transmitted, but result in a low throughput variation, and thus a higher notion of fairness among the individual flows. To this end we propose a new burst assembly scheme that dynamically assigns flows to different assembly queues with different assembly timers, based on their instant window size. Results show that the proposed scheme with different timers provides a higher average throughput together with a smaller variance, which is a good compromise for bandwidth dimensioning.

© 2008 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.4510) Fiber optics and optical communications : Optical communications
(060.1155) Fiber optics and optical communications : All-optical networks

ToC Category:
RESEARCH PAPERS

History
Original Manuscript: January 31, 2008
Revised Manuscript: March 17, 2008
Manuscript Accepted: March 17, 2008
Published: April 23, 2008

Citation
Kostas Ramantas, Kyriakos Vlachos, Óscar González de Dios, and Carla Raffaelli, "Window-based burst assembly scheme for TCP traffic over OBS," J. Opt. Netw. 7, 487-495 (2008)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jon-7-5-487

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