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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editors: Keren Bergman and Vincent Chan
  • Vol. 1, Iss. 2 — Jul. 1, 2009
  • pp: A258–A269

Design and Implementation of a GMPLS-Controlled Grooming-Capable Optical Transport Network

Fernando Agraz, Luis Velasco, Jordi Perelló, Marc Ruiz, Salvatore Spadaro, Gabriel Junyent, and Jaume Comellas  »View Author Affiliations

Journal of Optical Communications and Networking, Vol. 1, Issue 2, pp. A258-A269 (2009)

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Aiming at better resource utilization, an important requirement of future optical transport networks is the capability to accommodate subwavelength client flows efficiently. This can be put into action thanks to the enhanced traffic engineering (TE) protocols provided within the generalized multiprotocol label switching (GMPLS) standardization. The present paper concentrates on the design and implementation of a GMPLS-controlled grooming-capable transport infrastructure, namely, the automatically switched optical network (ASON)/GMPLS CARISMA test bed. Through the paper, the operation of a GMPLS-controlled multilayer network architecture is introduced, subsequently highlighting implementation issues that come to light. Special attention is devoted to a centralized flow reallocation module deployed in the CARISMA test bed to minimize the overall network cost. In this context, an integer linear programming (ILP) formulation to obtain its optimal cost is derived and low-weighted metaheuristics providing a nearly optimal solution are additionally proposed. All contributions in the paper are supported by illustrative experimental results.

© 2009 Optical Society of America

OCIS Codes
(060.4251) Fiber optics and optical communications : Networks, assignment and routing algorithms
(060.4253) Fiber optics and optical communications : Networks, circuit-switched
(060.4256) Fiber optics and optical communications : Networks, network optimization

ToC Category:
Optical Networks for the Future Internet

Original Manuscript: November 7, 2008
Revised Manuscript: January 23, 2008
Manuscript Accepted: February 18, 2009
Published: July 1, 2009

Virtual Issues
Optical Networks for the Future Internet (2009) Journal of Optical Networking

Fernando Agraz, Luis Velasco, Jordi Perelló, Marc Ruiz, Salvatore Spadaro, Gabriel Junyent, and Jaume Comellas, "Design and Implementation of a GMPLS-Controlled Grooming-Capable Optical Transport Network," J. Opt. Commun. Netw. 1, A258-A269 (2009)

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