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The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by University of Strathclyde researchers, including by researchers from the Department of Computer & Information Sciences involved in mathematically structured programming, similarity and metric search, computer security, software systems, combinatronics and digital health.

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Energy efficient segmentation-link strategies for transparent IP over WDM core networks

Warip, Mohd Nazri Mohd and Andonovic, Ivan and Glesk, Ivan and Eh Kan, P. and Fuad, Fairul Afzal Ahmad and Said Ahmed, Mohamed Elshaikh Elobaid (2014) Energy efficient segmentation-link strategies for transparent IP over WDM core networks. Journal of Marketing Communications, 9 (1). pp. 48-55. ISSN 1796-2021

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Abstract

Recent developments in Optical IP networks have heightened the need for reduction on power consumption via so called green photonics and concepts known as green networking. Adhering to these principles we proposed a novel energy savings approach which can be applied to optical IP networks and is based on so called "hibernation mode with segmentation link" technique. The hibernation mode technique is designed to help to reduce power consumption by sleep the network links and can help to optimise network overall energy usage by taking advantage of the hibernation algorithms we have developed. The proper implementation over the network infrastructure will save energy, operating cost to network operators, and while at the same time will also deliver reduced carbon footprint. In this paper, we show design model for developing energy efficient Segment-Link approach. In this scheme, the improvised energy saving techniques focus on selective sleeping of optical core fibre links, following which the Routing Wavelength Assignment algorithm based on GMPLS control plane are investigated. Simulation models and results for the proposed scheme are evaluated in both the fibre link only and segmentation-link schemes scenarios. The results shows that a significant amount of energy can be saved if appropriate "segmentation-link" mechanisms using optical bypass and traffic grooming is invoked.