Demand-wise Shared Protection for Meshed Optical Networks [Vol. 13, No. 1, 2005]

Demand-wise Shared Protection for Meshed Optical Networks

Arie M. C. A. Koster
Zuse Institute Berlin (ZIB),
Takustrasse 7,
D-14195 Berlin, Germany
Email: koster_AT_zib.de

Adrian Zymolka
Zuse Institute Berlin (ZIB),
Takustrasse 7,
D-14195 Berlin, Germany
Email: zymolka_AT_zib.de

Monika Jaeger
T-Systems Technologiezentrum,
Goslarer Ufer 35,
D-10589 Berlin, Germany
Email: Monika.Jaeger_AT_t-systems.com

Ralf Huelsermann
T-Systems Technologiezentrum,
Goslarer Ufer 35,
D-10589 Berlin, Germany
Email: Ralf.Huelsermann_AT_t-systems.com

Abstract
In this paper, a new shared protection mechanism for meshed optical networks is presented. Significant network design cost reductions can be achieved in comparison to the well-known 1+1 protection scheme. Demand-wise Shared Protection (DSP) is based on the diversification of demand routings and exploits the network connectivity to restrict the number of backup lightpaths needed to provide the desired level of protection. Computational experiments illustrate the benefits of the DSP concept for cost efficient optical network designs.

Keywords: optical network design, shared protection, meshed optical networks, diversification

JNSM: Vol. 13, No. 1, 2005 Demand-wise Shared Protection for Meshed Optical Networks [Vol. 13, No. 1, 2005]

NOTE: only abstract of paper available on-line; please contact your library or the authors for the full paper

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