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 SONET/SDH 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 WDM ring. Our results indicate that the optical architectures are likely to decrease power consumption by up to 75 %, when compared to 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 which is practically equivalent to that of today's electronic architectures, for equal capacity.
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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, IEEE/OSA, 2013, 5 (1), pp.81-91. ⟨10.1364/JOCN.5.000081⟩. ⟨hal-00784181⟩

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