Cutting the electric bill by routing and wavelength assignment with time-zones and time-of-use prices

Cicek Cavdar; Ayşegül Yayimli; Lena Wosinska

doi:10.1117/12.910044

15 December 2011 Cutting the electric bill by routing and wavelength assignment with time-zones and time-of-use prices

Cicek Cavdar, Ayşegül Yayimli, Lena Wosinska

Proceedings Volume 8310, Network Architectures, Management, and Applications IX; 831014 (2011) https://doi.org/10.1117/12.910044
Event: SPIE/OSA/IEEE Asia Communications and Photonics, 2011, Shanghai, China

Abstract

We consider an energy-aware WDM core network, where the electric prices differ according to time intervals of the day, referred to as time-of-use rates. Since a large backbone network may have nodes scattered over several time zones, we exploit the time-of-use rates to lower the electric bill of the network provider. By using an ILP formulation of the bill minimization problem, we investigate the gain of total electric bill over two approaches where capacity and energy are optimized under different network traffic load conditions.

Citation Download Citation

Cicek Cavdar, Ayşegül Yayimli, and Lena Wosinska "Cutting the electric bill by routing and wavelength assignment with time-zones and time-of-use prices", Proc. SPIE 8310, Network Architectures, Management, and Applications IX, 831014 (15 December 2011); https://doi.org/10.1117/12.910044

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