Cost, power consumption and performance evaluation of metro networks

Abstract :

We provide models for evaluating the performance, cost and power consumption of different architectures suitable for a metropolitan area network (MAN). We then apply these models to compare today’s synchronous optical network/synchronous digital hierarchy metro rings with different alternatives envisaged for next-generation MAN: an Ethernet carrier grade ring, an optical hub-based architecture and an optical time-slotted wavelength division multiplexing (WDM) ring. Our results indicate that the optical architectures are likely to decrease power consumption by up to 75% when compared with present day MANs. Moreover, by allowing the capacity of each wavelength to be dynamically shared among all nodes, a transparent slotted WDM yields throughput performance that is practically equivalent to that of today’s electronic architectures, for equal capacity.

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  • HAL Id : hal-00784181, version 1

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Andrea Bianco, Thomas Bonald, Davide Cuda, Raluca-Maria Indre. Cost, power consumption and performance evaluation of metro networks. Journal of Optical Communications and Networking, 2013, 5 (1), pp.81-91. ⟨hal-00784181⟩

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