This paper studies the energy efficiency of exploiting dual-homing in access network to provide core network survivability. Simulation results show reduced number of utilized wavelengths, suggesting significant energy saving opportunities in the core network.
Correspondence Address: Abeywickrama, S.; National ICT Australia, Victoria Research Laboratory, Dept. of Electrical and Electronic Engineering, University of MelbourneAustralia; email: sandua@student.unimelb.edu.au. QC 20161108