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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editor: Richard A. Linke
  • Vol. 5, Iss. 6 — Jun. 1, 2006
  • pp: 481–492

Complete rerouting protection

T. Stidsen and P. Kjærulff  »View Author Affiliations


Journal of Optical Networking, Vol. 5, Issue 6, pp. 481-492 (2006)
http://dx.doi.org/10.1364/JON.5.000481


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Abstract

Feature Issue on Availability

Protection of communication against network failures is becoming increasingly important, and here we present what we believe to be the most capacity-efficient protection method possible, the complete rerouting protection method, when we require that all communication should be restored in the case of a single link network failure. We present a linear programming model of the protection method and a column-generation algorithm. For six real-world networks, the minimal restoration overbuild network capacity is between 13% and 78%. We further study the importance of the density of the network, derive analytical bounds, and study methods to speed up the column-generation algorithm. We expect that the suggested protection method will be used for calculating lower bounds required for protection, but not as a functioning protection method.

© 2006 Optical Society of America

OCIS Codes
(000.3870) General : Mathematics

ToC Category:
High Availability in Optical Networks

History
Original Manuscript: December 22, 2005
Revised Manuscript: April 6, 2006
Manuscript Accepted: April 6, 2006
Published: May 18, 2006

Virtual Issues
High Availability in Optical Networks (2006) Journal of Optical Networking

Citation
T. Stidsen and P. Kjærulff, "Complete rerouting protection," J. Opt. Netw. 5, 481-492 (2006)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jon-5-6-481

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