Methodologies on designing a hybrid shared-mesh-protected WDM network with sparse wavelength conversion and regeneration

Hui Zang; Renxiang Huang; James Pan

doi:10.1117/12.482439

9 September 2002 Methodologies on designing a hybrid shared-mesh-protected WDM network with sparse wavelength conversion and regeneration

Hui Zang, Renxiang Huang, James Pan

Author Affiliations +

Proceedings Volume 4910, Optical Networking II; (2002) https://doi.org/10.1117/12.482439
Event: Asia-Pacific Optical and Wireless Communications 2002, 2002, Shanghai, China

Abstract

In a wavelength-routed WDM optical network, having regeneration and wavelength conversion at every node is not cost-effective. However, in a nation-wide backbone network, regeneration is required for some lightpaths. With shared-mesh protection, wavelength-conversion is helpful in increasing the wavelength sharing among protection paths therefore can improve resource-utilization. In this work we study the problem of selecting wavelength-conversion and regeneration sites in such a network. We show that the wavelength converter placement problem can be formulated as an integer linear program and propose several heuristics for solving the sparse wavelength conversion and regeneration problem.

Citation Download Citation

Hui Zang, Renxiang Huang, and James Pan "Methodologies on designing a hybrid shared-mesh-protected WDM network with sparse wavelength conversion and regeneration", Proc. SPIE 4910, Optical Networking II, (9 September 2002); https://doi.org/10.1117/12.482439

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