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Power consumption reduction through elastic data rate adaptation in survivable multi-layer optical networks

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Abstract

Network survivability requires the provisioning of backup resources in order to protect active traffic against any failure scenario. Backup resources, however, can remain unused most of the time while the network is not in failure condition, inducing high power consumption wastage, if fully powered on. In this paper, we highlight the power consumption wastage of the additional resources for survivability in IP/multi-protocol label switching (MPLS) over dense wavelength division multiplexing multi-layer optical networks. We assume MPLS protection switching as the failure recovery mechanism in the network, a solution interesting for current network operators to ensure fast recovery as well as fine-grained recovery treatment per label switched path. Next, we quantitatively show how elastic optical technologies can effectively reduce such a power consumption by dynamically adjusting the data rate of the transponders to the carried amount of traffic.

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Acknowledgments

This work has been funded by the Spanish project ELASTIC (TEC2011-27310) and the FP-7 IDEALIST project under Grant Agreement Number 317999. Moreover, the authors thank the GreenTouch consortium (http://www.greentouch.org/).

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Authors and Affiliations

  1. Universitat Politècnica de Catalunya (UPC), UPC Campus Nord, Jordi Girona 1-3, 08034 , Barcelona, Spain

    Jordi Perelló, Salvatore Spadaro, Albert Pagès, Sergio Ricciardi & Gabriel Junyent

  2. Alcatel-Lucent Bell Labs, Centre de Villarceaux, Nozay, France

    Annalisa Morea

  3. Deutsche Telekom Fixed-Mobile Engineering Deutschland, Darmstadt, Germany

    Matthias Gunkel

Authors
  1. Jordi Perelló
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  2. Annalisa Morea
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  3. Salvatore Spadaro
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  4. Albert Pagès
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  5. Sergio Ricciardi
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  6. Matthias Gunkel
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  7. Gabriel Junyent
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Correspondence to Jordi Perelló.

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Perelló, J., Morea, A., Spadaro, S. et al. Power consumption reduction through elastic data rate adaptation in survivable multi-layer optical networks. Photon Netw Commun 28, 276–286 (2014). https://doi.org/10.1007/s11107-014-0450-6

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  • DOI: https://doi.org/10.1007/s11107-014-0450-6

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