Analysis of wavelength conversion in OBS scheduling algorithm

Minglei Fu; Zichun Le; Zhijun Zhu

doi:10.1117/12.803708

11 November 2008 Analysis of wavelength conversion in OBS scheduling algorithm

Minglei Fu, Zichun Le, Zhijun Zhu

Proceedings Volume 7136, Optical Transmission, Switching, and Subsystems VI; 71360G (2008) https://doi.org/10.1117/12.803708
Event: Asia-Pacific Optical Communications, 2008, Hangzhou, China

Abstract

A wavelength scheduling algorithm with limited-range wavelength conversion in OBS network is presented in this paper. Two wavelength conversion policies, First-Fit (FF) and Nearest Wavelength First (NWF) are adopted respectively in this scheduling algorithm. Numerical results show that the FF and NWF perform nearly identical in the scenarios of sparse wavelengths with small conversion range and large wavelengths with small conversion range. The FF outperforms NWF when the wavelength number is large and the conversion range is wide. However, consider the fact that output power strongly deteriorates as a function of the distance between the ingoing and outgoing wavelengths, the NWF policy should be adopted in the practical OBS networks.

Citation Download Citation

Minglei Fu, Zichun Le, and Zhijun Zhu "Analysis of wavelength conversion in OBS scheduling algorithm", Proc. SPIE 7136, Optical Transmission, Switching, and Subsystems VI, 71360G (11 November 2008); https://doi.org/10.1117/12.803708

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