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Preemption-based Service Differentiation Scheme for Optical Burst Switching Networks  

김병철 (경북대학교 전자전기컴퓨터학부)
김준엽 (삼성전자)
조유제 (경북대학교 전자전기컴퓨터학부)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.40, no.10, 2003 , pp. 24-34 More about this Journal
Abstract
In this paper, we investigated the problems of the offset time based service differentiation scheme for optical burst switching (OBS) networks, and proposed the preemption-based service differentiation scheme which combines a preemption channel selection algorithm and channel partitioning algorithm. The proposed preemption channel selection algorithm minimizes the length of preempted bursts to improve the channel efficiency, while the proposed channel partitioning algorithm controls the degree of service differentiation between service classes. The simulation results showed that the proposed schemes could improve the end-to-end performance and effectively provide controllable service differentiation in the multiple hop network environments.
Keywords
Optical Burst Switching; Service Differentiation; Preemptive Channel Scheduling;
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