Control plane techniques for Elastic Optical Networks: GMPLS/PCE vs OpenFlow

Lei Liu*, Takehiro Tsuritani, Itsuro Morita, Ramon Casellas, Ricardo Martinez, Raul Munoz

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

13 Citations (Scopus)


Elastic Optical Networks (EON), which are able to allocate an appropriate optical spectrum range and modulation format to an optical path according to the client (e.g. IP) traffic demand and path attributes (e.g., physical length or optical impairments), have been proposed to more efficiently utilize network spectrum resources. A control plane is a key enabling technique for dynamic and intelligent end-to-end path provisioning and recovery in such networks. In this paper, we design and deploy two different control planes for EON. One is based on the Generalized Multi-Protocol Label Switching (GMPLS) / Path Computation Element (PCE) architecture and protocols, and the other one is based on a centralized model extending OpenFlow. We detail the protocol extensions involved in the main functional aspects, and we experimentally validate both control plane approaches in a control plane testbed and compare them in terms of path provisioning latency.

Original languageEnglish
Title of host publication2012 IEEE Globecom Workshops, GC Wkshps 2012
Number of pages6
Publication statusPublished - 2012
Externally publishedYes
Event2012 IEEE Globecom Workshops, GC Wkshps 2012 - Anaheim, CA, United States
Duration: 2012 Dec 32012 Dec 7

Publication series

Name2012 IEEE Globecom Workshops, GC Wkshps 2012


Conference2012 IEEE Globecom Workshops, GC Wkshps 2012
Country/TerritoryUnited States
CityAnaheim, CA


  • control plane
  • elastic optical networks
  • OpenFlow
  • PCE

ASJC Scopus subject areas

  • Computer Networks and Communications


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