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Joint Optimization of Mixed Regenerator Placement and Wavelength Assignment for Green Translucent Optical Networks

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Abstract

We propose network design algorithms to minimize the power consumption of a translucent optical network with joined optimization of mixed regenerator placement and wavelength assignment. The performance of the algorithms is investigated with simulations in ring and grid network topologies. Simulation results indicate that the algorithms can effectively reduce the number of O/E/O 3R regenerators, leading to less power consumption on signal regeneration and green network design. Among the algorithms, the maximum segment length wavelength assignment (MSL-WA) approach further reduces regenerator numbers, with the cost of placement readjustments.

© 2011 Optical Society of America

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