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2008

A New Shared Segment Protection Method for Survivable Networks with Guaranteed Recovery Time

8 years 11 months ago
A New Shared Segment Protection Method for Survivable Networks with Guaranteed Recovery Time
Shared Segment Protection (SSP), compared with Shared Path Protection (SPP), and Shared Link Protection (SLP), provides an optimal protection configuration due to the ability of maximizing spare capacity sharing, and reducing the restoration time in cases of a single link failure. This paper provides a thorough study on SSP under the GMPLS-based recovery framework, where an effective survivable routing algorithm for SSP is proposed. The tradeoff between the price (i.e., cost representing the amount of resources, and the blocking probability), and the restoration time is extensively studied by simulations on three networks with highly dynamic traffic. We demonstrate that the proposed survivable routing algorithm can be a powerful solution for meeting stringent delay upper bounds for achieving high restorability of transport services. This can significantly improve the network reliability, and enable more advanced, mission critical services in the networks. The comparison among the three...
János Tapolcai, Pin-Han Ho, Dominique Verch
Added 15 Dec 2010
Updated 15 Dec 2010
Type Journal
Year 2008
Where TR
Authors János Tapolcai, Pin-Han Ho, Dominique Verchère, Tibor Cinkler, Anwar Haque
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