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Energy-efficient virtual optical network mapping approaches over converged flexible bandwidth optical networks and data centers
Author(s) -
Bowen Chen,
Yongli Zhao,
Jie Zhang
Publication year - 2015
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.23.024860
Subject(s) - computer science , bandwidth (computing) , benchmark (surveying) , efficient energy use , energy consumption , node (physics) , computer network , electronic engineering , physics , electrical engineering , geodesy , engineering , quantum mechanics , geography
In this paper, we develop a virtual link priority mapping (LPM) approach and a virtual node priority mapping (NPM) approach to improve the energy efficiency and to reduce the spectrum usage over the converged flexible bandwidth optical networks and data centers. For comparison, the lower bound of the virtual optical network mapping is used for the benchmark solutions. Simulation results show that the LPM approach achieves the better performance in terms of power consumption, energy efficiency, spectrum usage, and the number of regenerators compared to the NPM approach.

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