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Proceedings Paper

Performance of DiffServ-capable OBS networks based on pipeline buffering system
Author(s): Yu Qiao; Keping Long; Xiaolong Yang; Qianbin Chen
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Paper Abstract

In this paper, we integrate the pipeline buffering mechanism with the DiffServ-capable OBS to schedule data burst (DB) at core nodes. And we improve a DiffServ-capable virtual scheduling technique (DiffServ-VST) to adapt our scheme. For performance evaluation, we propose a new model to revise the classic Erlang-B formula for calculating burst loss probability in OBS environment: the LAUC-VF-ed M/D/K/K. The simulation results shows that lower packet loss probability and higher link utilization is obtained when traffic load is less than 0.8 by using our scheme. However, the extra end to end delay of AF and BE is brought by pipeline buffer.

Paper Details

Date Published: 9 December 2005
PDF: 9 pages
Proc. SPIE 6021, Optical Transmission, Switching, and Subsystems III, 602117 (9 December 2005); doi: 10.1117/12.634243
Show Author Affiliations
Yu Qiao, Chongqing Univ. of Posts and Telecommunications (China)
Keping Long, Chongqing Univ. of Posts and Telecommunications (China)
Xiaolong Yang, Chongqing Univ. of Posts and Telecommunications (China)
Qianbin Chen, Chongqing Univ. of Posts and Telecommunications (China)


Published in SPIE Proceedings Vol. 6021:
Optical Transmission, Switching, and Subsystems III
Rodney S. Tucker; Dominique Chiaroni; Wanyi Gu; Ken-ichi Kitayama, Editor(s)

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