Energy efficient partition-lightpath scheme for IP over WDM core networks

M. N. Mohd Warip, I. Andonovic, I. Glesk, R. Badlishah Ahmad, P. Ehkan, L. M. Kamarudin, M. Elshaikh

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Abstract

In this paper, the research focus on the development of energy saving schemes with roots in sleep modes that support the evolution of greener core optical IP networks. The cornerstone of the adopted strategy is partition-lightpath schemes underpinned by the hibernation state implemented through a modification of the intelligent control plane, in particular for transparent network architectures under different scenarios. An enhanced multi-level operational hibernation mode through partition-lightpath was defined including functionality, structure considering its implementation issues. Through the use of appropriate design parameters the impact on blocking probability, wavelengths assignment, LSP connection requests, degree of node connectivity and network utilization can be minimized while also achieving energy savings. Evaluation of this scheme indicates potential reduction in power consumption from 9% up to 17% at the expense of reduced network performance.

Original languageEnglish
Pages (from-to)515-522
Number of pages8
JournalProcedia Computer Science
Volume52
Early online date3 Jun 2015
DOIs
Publication statusPublished - 2015

Keywords

  • energy efficiency
  • GMPLS
  • IP over WDM networks
  • OXC
  • partion-lightpath
  • power consumption

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