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1 IKR - Institute of Communication Networks and Computer Engineering Stuttgart

Abstract : The power consumption of core networks is bound to grow considerably due to increasing traffic volumes. Network reconfiguration adapting resources to the load is a promising countermeasure. However, the benefit of this approach is hard to evaluate realistically since current network equipment does not support dynamic resource adaptation and power-saving features. In this paper, we derive a dynamic resource operation and power model for IP-over-WSON network devices based on static power consumption data from vendors and reasonable assumptions on the achievable scaling behavior. Our model allows to express the dynamic energy consumption as a function of active optical interfaces, line cards, chassis, and the amount of switched IP traffic. We finally apply the model in the evaluation of two network reconfiguration schemes.

Keywords : Energy Efficiency Multi-layer Network IP-over-WDM Network Resource Model Dynamic Energy Model

Autor: Uwe Bauknecht - Frank Feller -

Fuente: https://hal.archives-ouvertes.fr/


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