Renewable energy-aware grooming in optical networks

Renewable energy-aware grooming in optical networks The optical layer of a network is the energy-efficient technology to provision high bandwidths for data transport. Unfortunately, occasional electronic processing is unavoidable in current networks. This process is much more energy-consuming than the optical transport. Recent research has already yielded great improvements in terms of energy efficiency. It is, however, observed that increased energy efficiency typically leads to higher overall energy consumption. Therefore, it is imperative to reduce the environmental impact by additional means: maximizing the use of renewable energy. We present an approach to greenhouse gas (GHG) emission-reducing grooming by considering the heterogeneous distribution of fossil and renewable energy sources. We analyze various two-step solutions for the route calculation and lightpath provisioning problem in IP-over-WDM mesh networks. We show that it is possible to reduce GHG emissions at a stable level of energy consumption and improved blocking performance compared to previous energy-efficient solutions. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Photonic Network Communications Springer Journals

Renewable energy-aware grooming in optical networks

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Publisher
Springer Journals
Copyright
Copyright © 2014 by Springer Science+Business Media New York
Subject
Computer Science; Computer Communication Networks; Electrical Engineering; Characterization and Evaluation of Materials
ISSN
1387-974X
eISSN
1572-8188
D.O.I.
10.1007/s11107-014-0436-4
Publisher site
See Article on Publisher Site

Abstract

The optical layer of a network is the energy-efficient technology to provision high bandwidths for data transport. Unfortunately, occasional electronic processing is unavoidable in current networks. This process is much more energy-consuming than the optical transport. Recent research has already yielded great improvements in terms of energy efficiency. It is, however, observed that increased energy efficiency typically leads to higher overall energy consumption. Therefore, it is imperative to reduce the environmental impact by additional means: maximizing the use of renewable energy. We present an approach to greenhouse gas (GHG) emission-reducing grooming by considering the heterogeneous distribution of fossil and renewable energy sources. We analyze various two-step solutions for the route calculation and lightpath provisioning problem in IP-over-WDM mesh networks. We show that it is possible to reduce GHG emissions at a stable level of energy consumption and improved blocking performance compared to previous energy-efficient solutions.

Journal

Photonic Network CommunicationsSpringer Journals

Published: Apr 29, 2014

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