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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editor: Keren Bergman
  • Vol. 7, Iss. 5 — May. 1, 2008
  • pp: 378–387

Resilient traffic grooming for WDM networks

Arunita Jaekel, Ataul Bari, and Subir Bandyopadhyay  »View Author Affiliations


Journal of Optical Networking, Vol. 7, Issue 5, pp. 378-387 (2008)
http://dx.doi.org/10.1364/JON.7.000378


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Abstract

Traffic grooming techniques are used to combine low-speed individual requests for connections onto high-speed lightpaths in an efficient manner. Design of survivable grooming capable networks is of critical importance. For such networks, protection may take place at the lightpath level or at the connection level. However, optimal formulations for implementing protection at either level are computationally intractable and can only be used for very small networks. We present an efficient integer linear program (ILP) formulation for the complete survivable traffic grooming problem, including topology design, traffic routing, and routing and wavelength assignment, using both dedicated and shared protection at the lightpath level. Unlike existing formulations, our ILP is able to generate optimal solutions for practical sized networks with hundreds of traffic requests.

© 2008 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications

ToC Category:
Reliability Issues in Optical Networks

History
Original Manuscript: November 7, 2007
Revised Manuscript: February 1, 2008
Manuscript Accepted: February 29, 2008
Published: April 3, 2008

Virtual Issues
Reliability Issues in Optical Networks (2008) Journal of Optical Networking

Citation
Arunita Jaekel, Ataul Bari, and Subir Bandyopadhyay, "Resilient traffic grooming for WDM networks," J. Opt. Netw. 7, 378-387 (2008)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jon-7-5-378

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