[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.6109/jkiice.2012.16.9.1906

Relative Service Differentiation with Dynamic Wavelength Allocations and Preemptions in JET based Optical Burst-Switched Networks with Deflection Routing

Paik, Jung-Hoon (동아방송예술대학교)

Publication Information

Journal of the Korea Institute of Information and Communication Engineering / v.16, no.9, 2012 , pp. 1906-1914 More about this Journal

Abstract

In this paper, relative service differentiation in JET based optical burst-switched networks with deflection routing is presented. It differs from conventional schemes in that it tries to make the loss rate of high class bursts as low as possible while maintaining the desired proportional ratio between the high class bursts and low class bursts. Strategies applied to it are dynamic wavelength allocation and the preemption which are combined to deflection routing. With dynamic wavelength allocation, the number of wavelengths allocated to high class bursts are dynamically changed. Preemption which gives more preference to high class bursts is also applied to decrease its loss rate. To lower the loss rate, deflection routing is applied for any kind of traffic. With those strategies, the suggested scheme shows desired properties that the loss rate of high class traffic is as lowered as possible. A queueing model for the scheme is developed to approximate loss ratio and the numerical results show that the proposed scheme provisions relative service differentiation.

Keywords

JET; Optical Burst Switch; Preemption; Proportional Service Differentiation;

Citations & Related Records

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