Designing demand-wise shared protection networks with specified minimum dual-failure restorability

Authors:
Jude Akpuh;John Doucette
Affiliations:
Department of Mechanical Engineering, University of Alberta, Edmonton, AB, Canada;Department of Mechanical Engineering, University of Alberta, Edmonton, AB, Canada
Venue:
ICC'09 Proceedings of the 2009 IEEE international conference on Communications
Year:
2009

Citing 7
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Abstract

We develop a new integer linear programming model to optimally design demand-wise shared protection (DSP) networks to achieve specified minimum levels of dual-failure restorability at minimum cost. Findings suggest that dual-failure restorability levels of up to 40% can be achieved with minimal additional capacity relative to single-failure restorable designs. Network designs approaching full dual-failure restorability require substantially greater amounts of spare capacity.