Abstract

The impact of transmission related issues on the routing strategies for transparent all-optical wavelength division multiplexed (WDM) transport networks is analyzed in this paper. Three different categories of routing algorithms are analyzed: algorithms based on the wavelength path (WP) strategy, based on the virtual wavelength path (VWP) strategy and requiring only a limited number of wavelength converters in the network partial virtual wavelength path (PVWP). It results that the PVWP allows a saving in network devices with respect to the WP similar those permitted by the VWP also attaining transmission performances near those attained by the WP that are quite better that those attained by the VWP.

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J. Lightwave Technol. (4)

R. E. Wagner, R. C. Alferness, A. A. Saleh, and M. S. Goodman, "MONET: Multiwavelength optical networking," J. Lightwave Technol., vol. 14, pp. 1349-1355, June 1996.

G. R. Hill et al., "A transport network layer based on optical network elements," J. Lightwave Technol., vol. 11, pp. 667-679, 1993.

T. Durhuus, B. Mikkelsen, C. Joergensen, S. L. Danielsen, and K. E. Stubkjaer, "All-optical wavelength conversion by semiconductor optical amplifiers," J. Lightwave Technol., vol. 14, pp. 942-954, Aug. 1996.

E. Iannone and R. Sabella, "Performance evaluation of an optical multi-carrier network using wavelength converters based on FWM in semiconductor optical amplifiers," J. Lightwave Technol., vol. 13, pp. 312-324, Feb. 1995.

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