Photonic Network Communications

, Volume 26, Issue 2–3, pp 140–149 | Cite as

Eco-sustainable routing in optical networks

  • Sergio RicciardiEmail author
  • Jiayuan Wang
  • Francesco Palmieri
  • Davide Careglio
  • Anna Manolova
  • Germán Santos-Boada


It is quite easy to foresee that in the next years, the future generation ultra-high speed network infrastructures and equipments will be no longer constrained only by their pure transport capacity, but also by their energy consumption costs and environmental effects. In particular, large network infrastructures are now widely recognized to play a fundamental role in the emission of greenhouse gases in the atmosphere, significantly affecting the environmental sustainability of new evolutions in network architectures as well as technological developments in communication devices. In this paper, a novel eco-sustainable routing and wavelength assignment algorithm, based on shortest path routing with an adaptive link weighting function relying on an extension of the OSPF-TE protocol to convey carbon footprint information, has been proposed to decrease the network ecological impact while balancing the traffic load and maintaining acceptable connection-blocking rate. The trade-off between load balancing and carbon footprint is also analyzed to evaluate the effectiveness of the proposed strategy within the context of a real world network.


Energy awareness OSPF-TE extensions Routing and wavelength assignment Load balancing Energy-oriented optimizations 



This work was supported in part by the COST Action IC0804, the Spanish Ministry of Science and Innovation under the DOMINO project (TEC2010-18522) and the Catalan Government under the contract SGR 1140. The authors also acknowledge the support received from OPNET Technologies Inc.


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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  • Sergio Ricciardi
    • 1
    Email author
  • Jiayuan Wang
    • 2
  • Francesco Palmieri
    • 3
  • Davide Careglio
    • 1
  • Anna Manolova
    • 2
  • Germán Santos-Boada
    • 1
  1. 1.Department of Computer ArchitectureUniversitat Politècnica de Catalunya, BarcelonaTech (UPC)BarcelonaSpain
  2. 2.Department of Photonics EngineeringTechnical University of Denmark (DTU)LyngbyDenmark
  3. 3.Department of Industrial and Information EngineeringSecond University of NaplesAversaItaly

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