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Availability evaluation in shared-path-protected WDM networks with startup-failure-driven backup path reprovisioning

: Ni, W.; Patzak, E.; Schlosser, M.; Zhang, H.


Institute of Electrical and Electronics Engineers -IEEE-; IEEE Communications Society:
IEEE International Conference on Communications, ICC 2010. Proceedings : Cape Town, South Africa, 23 - 27 May 2010
Piscataway/NJ: IEEE, 2010
ISBN: 978-1-4244-6402-9 (print)
ISBN: 978-1-4244-6404-3 (online)
6 S.
International Conference on Communications (ICC) <2010, Cape Town>
Fraunhofer HHI ()

This paper studies quantitatively the benefit of startup-failure-driven backup path reprovisioning in terms of connection availability in shared-path-protected optical networks. Numerical results show that shared path protection with startup-failure-driven reprovisioning reduces connection unavailability, and is most efficient when the capacity utilization during the no-failure phases is around 60%.