NDLI: Achieving proportional loss differentiation using probabilistic preemptive burst segmentation in optical burst switching WDM networks

Content Provider	IEEE Xplore Digital Library
Author	Chee-Wei Tan Gurusamy, M. Lui, J.C.-S.
Copyright Year	2004
Description	Author affiliation: Dept. of Comput. Sci. & Eng., Chinese Univ. of Hong Kong, China (Chee-Wei Tan)
Abstract	We propose a probabilistic preemptive burst segmentation (PPBS) scheme to provide traffic classes with different quality-of-service (QoS) requirements in optical burst switching (OBS) networks. PPBS enables high priority bursts to preempt and segment low priority bursts in a probabilistic fashion. By tuning a preemptive parameter that can be instrumented locally on an OBS node, our scheme provides a flexible method to achieve service differentiation on an OBS switch for multiple prioritized traffic classes. We develop an analytical queueing model that captures the notion of increased bandwidth and parallel service using multiple wavelengths. It achieves 100% isolation between high and low priority classes and low loss probabilities in the single and multiple wavelength case. Specifically, our queueing model can achieve a proportional differentiated service (PDS) in terms of loss. Finally, we also compare the performance of PPBS with previous heuristic methods in achieving proportional loss differentiation using long range dependent traffic models.
Starting Page	1754
Ending Page	1758
File Size	549983
Page Count	5
File Format	PDF
ISBN	0780387945
DOI	10.1109/GLOCOM.2004.1378283
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-11-29
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical losses Optical burst switching WDM networks Traffic control Telecommunication traffic Quality of service Optical tuning Instruments Optical switches Queueing analysis
Content Type	Text
Resource Type	Article

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