Partial predeflection—a novel contention resolution scheme for optical burst switching networks

Liang Shan; Linzhen Xie; Zhengbin Li; Anshi Xu

doi:10.1117/1.2759529

1 July 2007 Partial predeflection—a novel contention resolution scheme for optical burst switching networks

Liang Shan, Linzhen Xie, Zhengbin Li, Anshi Xu

Author Affiliations +

Optical Engineering, Vol. 46, Issue 7, 075007 (July 2007). https://doi.org/10.1117/1.2759529

Abstract

A novel contention resolution scheme for optical burst switching (OBS) networks is proposed. Traffic payload is classified into two types at the edge nodes, and they are transferred through the core nodes using two different routing algorithms—least-hop first routing and shortest-path first routing, respectively, leading to balanced traffic loads among fiber links. By using this contention resolution scheme, active avoidance of burst contention is achieved. Performance evaluation and simulation results indicate that the new scheme outperforms the commonly used shortest-path first routing and is robust under both Poisson and self-similar traffic. Furthermore, the new scheme can provide quality-of-service (QOS) differentiation when used with wavelength conversion, and the implementation of this scheme is easy, which makes OBS technology more applicable in network engineering.

©(2007) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Liang Shan, Linzhen Xie, Zhengbin Li, and Anshi Xu "Partial predeflection—a novel contention resolution scheme for optical burst switching networks," Optical Engineering 46(7), 075007 (1 July 2007). https://doi.org/10.1117/1.2759529

Published: 1 July 2007

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