Performance Evaluation of Impairment-Aware Routing Under Single- and Double-Link Failures
Journal of Optical Communications and Networking, Vol. 2, Issue 8, pp. 633-641 (2010)
http://dx.doi.org/10.1364/JOCN.2.000633
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Abstract
This work evaluates the performance of an impairment-aware routing (IAR) scheme in the presence of single- and dual-link failures. Network resilience is provided through a shared backup path protection scheme, enhanced with a reinforced sharing mechanism. The results indicate that the IAR scheme provides significantly lower connection blocking compared with traditional minimum-hop routing because physical impairments have a significant contribution to the overall network blocking probability. Dual-link failures are also considered, and the performance of a network designed to be resilient to single-link failures is evaluated. Simulation results show low connection loss rates due to dual failures that can be further improved using a restoration mechanism activated on the occurrence of dual failures.
© 2010 Optical Society of America
OCIS Codes
(060.4251) Fiber optics and optical communications : Networks, assignment and routing algorithms
(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: January 4, 2010
Revised Manuscript: June 7, 2010
Manuscript Accepted: June 18, 2010
Published: July 30, 2010
Citation
Konstantinos N. Georgakilas, Kostas Katrinis, Anna Tzanakaki, and Ole B. Madsen, "Performance Evaluation of Impairment-Aware Routing Under Single- and Double-Link Failures," J. Opt. Commun. Netw. 2, 633-641 (2010)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jocn-2-8-633
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