Abstract

We address the problem of wavelength assignment in wavelength-division-multiplexing (WDM) networks. One of the major design issues in this network is the assignment of a limited number of wavelengths among network stations so that high aggregate capacity can be achieved. We propose what we believe to be a novel and effective wavelength-assignment algorithm based on a heuristics approach. The heuristic algorithm takes account of the unique characteristics of the optical physical constraints, i.e., wavelength-continuity constraints. Compared with some of the best-known wavelength-assignment algorithms, our algorithm can achieve lower blocking probability with lower complexity.

© 2003 Optical Society of America

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