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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editors: K. Bergman and O. Gerstel
  • Vol. 5, Iss. 12 — Dec. 1, 2013
  • pp: 1343–1352

Fast and Efficient Network Protection Method Using Path Pre-Cross-Connected Trails

Hamed Alazemi, Samir Sebbah, and Mohammad Nurujjaman  »View Author Affiliations


Journal of Optical Communications and Networking, Vol. 5, Issue 12, pp. 1343-1352 (2013)
http://dx.doi.org/10.1364/JOCN.5.001343


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Abstract

This paper investigates design methods of protection schemes in survivable WDM networks using the path protection p-trail in order to provide better capacity efficiency by eliminating the rigidness of the protection structure of the well-accepted protection scheme, the failure independent path protection (FIPP) pre-configured protection cycle (p-cycle). The flexibility in the protection structure yields lower cost in terms of spare capacity allocation while maintaining the high speed of protection switching. We develop two design approaches, the fully pre-cross-connected path protection trail (fpp-trail) and the partially pre-cross-connected path protection trail (ppp-trail), based on the degree of pre-cross-connectivity of the protection structure. In order to obtain optimally designed trails, we develop an optimization model based on a large-scale optimization technique, namely, column generation. Numerical results show that fpp-trails significantly improve the spare capacity efficiency compared to the FIPP p-cycle, and ppp-trails strike a balance between capacity redundancy and recovery delay. We observe that ppp-trails can achieve as low capacity redundancy as shared backup path protection (SBPP), while the recovery delay is kept lower than in SBPP and slightly higher than FIPP p-cycles by using selective signaling through a control plane that is aware of the location of the cross-connects that are not pre-configured in advance.

© 2013 Optical Society of America

OCIS Codes
(060.4250) Fiber optics and optical communications : Networks
(060.4256) Fiber optics and optical communications : Networks, network optimization
(060.4257) Fiber optics and optical communications : Networks, network survivability

ToC Category:
Research Papers

History
Original Manuscript: December 10, 2012
Revised Manuscript: September 23, 2013
Manuscript Accepted: September 23, 2013
Published: November 21, 2013

Citation
Hamed Alazemi, Samir Sebbah, and Mohammad Nurujjaman, "Fast and Efficient Network Protection Method Using Path Pre-Cross-Connected Trails," J. Opt. Commun. Netw. 5, 1343-1352 (2013)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jocn-5-12-1343

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