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Performance Evaluation of Buffer and Burst Segmentation Scheme in a Contention Exist OBS Network

Performance Evaluation of Buffer and Burst Segmentation Scheme in a Contention Exist OBS Network J. Opt. Commun. 31 (2010), 099-101 Rui Hou Summary We evaluate the contention resolution performance of buffer and burst segmentation schemes in an optical burst switching (OBS) network. The advantages of the two schemes under different network scenarios have been presented. We also give some useful discussions for the design of real OBS networks. sub delay lines, each sub delay line can provide the time delay from 0 to ib (i=1,2,…,N), where b is the delay time for each FDL unit and N is the number of delay lines in the buffer. Analytical model Introduction Optical burst switching (OBS) has been proposed as a novel IP over WDM switching technique to realize the terabit transmission for next-generation networks [1]. In an OBS network, a edge router aggregates several IP packets into a burst. Under the JET resource reservation protocol, a burst and its burst control packet (BCP) are transmitted at a payload wavelength and a separate control wavelength. If the wavelength requirement has been satisfied, the burst will pass through the core router successfully; otherwise, it will be blocked due to the bursts contention. In a core router, contention occurs when several bursts contending for the same output http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Optical Communications de Gruyter

Performance Evaluation of Buffer and Burst Segmentation Scheme in a Contention Exist OBS Network

Hou , , Rui
Journal of Optical Communications , Volume 31 (2) – Jun 1, 2010
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References (6)

Publisher
de Gruyter
Copyright
Copyright © 2010 by the
ISSN
0173-4911
eISSN
2191-6322
DOI
10.1515/JOC.2010.31.2.99
Publisher site
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Abstract

J. Opt. Commun. 31 (2010), 099-101 Rui Hou Summary We evaluate the contention resolution performance of buffer and burst segmentation schemes in an optical burst switching (OBS) network. The advantages of the two schemes under different network scenarios have been presented. We also give some useful discussions for the design of real OBS networks. sub delay lines, each sub delay line can provide the time delay from 0 to ib (i=1,2,…,N), where b is the delay time for each FDL unit and N is the number of delay lines in the buffer. Analytical model Introduction Optical burst switching (OBS) has been proposed as a novel IP over WDM switching technique to realize the terabit transmission for next-generation networks [1]. In an OBS network, a edge router aggregates several IP packets into a burst. Under the JET resource reservation protocol, a burst and its burst control packet (BCP) are transmitted at a payload wavelength and a separate control wavelength. If the wavelength requirement has been satisfied, the burst will pass through the core router successfully; otherwise, it will be blocked due to the bursts contention. In a core router, contention occurs when several bursts contending for the same output

Journal

Journal of Optical Communications – de Gruyter

Published: Jun 1, 2010

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