Energy Efficiency Analysis for Dynamic Routing in Optical Transport Networks

Jorge López Vizcaíno, Yabin Ye, Idelfonso Tafur Monroy

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The energy efficiency in telecommunication networks is gaining more relevance as the Internet traffic is growing. The introduction of OFDM and dynamic operation opens new horizons in the operation of optical networks, improving the network flexibility and its efficiency. In this paper, we compare the performance in terms of energy efficiency of a flexible-grid OFDM-based solution with a fixed-grid WDM network in a dynamic scenario with time-varying connections. We highlight the benefits that the bandwidth elasticity and the flexibility of selecting different modulation formats can offer compared to the rigidity of the conventional networks.
Original languageEnglish
Title of host publication2012 IEEE International Conference on Communications (ICC)
Publication date2012
ISBN (Print)978-1-4577-2052-9
ISBN (Electronic)978-1-4577-2051-2
Publication statusPublished - 2012
EventIEEE International Conference on Communications 2012 - Ottawa, Canada
Duration: 10 Jun 201215 Jun 2012


ConferenceIEEE International Conference on Communications 2012
Internet address
SeriesI E E E International Conference on Communications


  • Elastic optical path network
  • Energy efficiency
  • Dynamic routing
  • Optical OFDM
  • Routing
  • Modulation Level and Spectrum Allocation


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