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2004 International Symposium on Parallel Architectures, Algorithms and Networks (ISPAN'04)
A Deeper Study on Segment Shared Protection
Hong Kong, SAR, China
May 10-May 12
ISBN: 0-7695-2135-5
J?nos Tapolcai, University of Waterloo, Canada
Pin-Han Ho, University of Waterloo, Canada
This paper studies the survivable routing problem for Segment Shared Protection (SSP) in mesh communication networks with bandwidth-guaranteed tunnels. Firstly, the NP-completeness proof is given to this problem. Then, we extend the Integer Linear Program (ILP) formulation for SSP published in [Segment Shared Protection in Mesh Communication Networks with Bandwidth Guaranteed Tunnels] by additionally considering the constraint on the restoration time for each connection request and the switching/merging capability in each node. Extensive simulation efforts are addressed to investigate the performance impairment by adopting different upper bounds of the two constraints. The computation time and the problem size in the CPLEX solver are analyzed.
Index Terms:
segment shared protection (SSP), integer linear program (ILP), restoration time, protection and restoration, protection domain, switching/merging
Citation:
J?nos Tapolcai, Pin-Han Ho, "A Deeper Study on Segment Shared Protection," ispan, pp.319, 2004 International Symposium on Parallel Architectures, Algorithms and Networks (ISPAN'04), 2004
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