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Topological Wavelength Usage Estimation in Transparent Wide Area Networks

Benoît Châtelain, Michel P. Bélanger, Christine Tremblay, François Gagnon, and David V. Plant

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Abstract

A power law relationship is established between wavelength usage and algebraic connectivity of backbone wavelength division multiplexing networks. From this observation, a concise prediction formula linking wavelength consumption to network topologies is derived and evaluated for real-world wide area networks. It is shown that the algebraic-connectivity-based wavelength usage estimation is more precise than evaluations relying on node degree variance, number of spanning trees, and average internodal distance.

© 2009 Optical Society of America

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