Static vs. dynamic WDM optical networks under single-cable failure conditions

Authors:
A. Beghelli;A. Leiva;R. Vallejos;M. Aravena
Affiliations:
Electronic Engineering Department, Universidad Técnica Federico Santa María, Valparaíso, Chile;Electronic Engineering Department, Universidad Técnica Federico Santa María, Valparaíso, Chile;Electronic Engineering Department, Universidad Técnica Federico Santa María, Valparaíso, Chile;Electronic Engineering Department, Universidad Técnica Federico Santa María and Computer Science Department, Universidad de Valparaíso, Valparaíso, Chile
Venue:
ONDM'09 Proceedings of the 13th international conference on Optical Network Design and Modeling
Year:
2009

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Abstract

In this paper, the potential benefit of migrating from static to dynamic operation of WDM optical networks is quantified (in terms of wavelength requirements) for shared mesh protection schemes under single-cable failure scenarios. The static network cost (wavelength requirements) is quantified by applying a variation of the heuristic proposed in (1). The dynamic network cost is quantified by extending the mathematical dimensioning method proposed in (2) and modifying the simulation method proposed in (3). Results show that fault-tolerant (FT) networks without wavelength conversion benefit from dynamic operation only at low traffic loads We expect these results will help network operators to better understand and design future dynamic optical networks.