Enhanced failure-specific p-cycle network dual-failure restorability design and optimization
Journal of Optical Networking, Vol. 8, Issue 1, pp. 1-13 (2009)
http://dx.doi.org/10.1364/JON.8.000001
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Abstract
Following the approach of a prior integer linear programming network design model to provide specified dual-failure restorability levels, we develop a new model that allows for an enhanced dual-failure restorability approach. We observe that some dual-failure scenarios affecting a single p-cycle can, in fact, be partially restorable, contravening the typical understanding of p-cycle network restorability. We show that a p-cycle network that utilizes this enhanced dual-failure restorability can be designed more cost-effectively than one without it, saving as much as 20.01% in capacity design costs and averaging 7.93% over the test cases we studied.
© 2008 Optical Society of America
OCIS Codes
(060.4256) Fiber optics and optical communications : Networks, network optimization
(060.4257) Fiber optics and optical communications : Networks, network survivability
(060.4261) Fiber optics and optical communications : Networks, protection and restoration
ToC Category:
Research Papers
History
Original Manuscript: March 4, 2008
Revised Manuscript: October 17, 2008
Manuscript Accepted: November 7, 2008
Published: December 4, 2008
Citation
Jude Akpuh and John Doucette, "Enhanced failure-specific p-cycle network dual-failure restorability design and optimization," J. Opt. Netw. 8, 1-13 (2009)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jon-8-1-1
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