Availability formulations for segment protection

Authors:
Massimo Tornatore;Matteo Carcagní;Achille Pattavina
Affiliations:
Department of Electronics and Information, Politecnico di Milano, Milan, Italy;Department of Electronics and Information, Politecnico di Milano, Milan, Italy;Department of Electronics and Information, Politecnico di Milano, Milan, Italy
Venue:
IEEE Transactions on Communications
Year:
2010

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Abstract

Segment Protection (SP) is an efficient scheme for protection in WDM optical networks. This letter provides algebraic formulations to evaluate SP availability both in the dedicated and shared backup case. The availability models are applied to numerical examples and significant relations between SP availability and relevant connection parameters are identified.