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Proceedings Paper

Optimization of path availability of span-restorable optical networks
Author(s): Ling Zhou; Marcel Held
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Paper Abstract

High availability tops the list of features desired for building a network. Various factors influencing path availability of optical networks with span restoration are investigated from the network design point of view. Network redundancy, number of backup routes, and dual span failure restorability can have important effects on path availability. A formulation to improve average path availability of a network by maximizing dual failure restorability is developed. We also introduce a practical method to optimize spare capacity and path availability of a network at the same time. A case study analyzes how much average dual-failure restorability can be improved in a long haul network with span restoration. Conclusions deduced from the computational and analytical results can help network planners to design a network with high performance and optimized cost and availability.

Paper Details

Date Published: 23 May 2006
PDF: 9 pages
Proc. SPIE 6193, Reliability of Optical Fiber Components, Devices, Systems, and Networks III, 619312 (23 May 2006); doi: 10.1117/12.662095
Show Author Affiliations
Ling Zhou, Swiss Federal Labs. for Materials Testing and Research (Switzerland)
Marcel Held, Swiss Federal Labs. for Materials Testing and Research (Switzerland)


Published in SPIE Proceedings Vol. 6193:
Reliability of Optical Fiber Components, Devices, Systems, and Networks III
Hans G. Limberger; M. John Matthewson, Editor(s)

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