Fast and effective dimensioning algorithm for end-to-end optical burst switching networks with ON-OFF traffic model

Authors:
Reinaldo Vallejos;Alejandra Zapata;Marco Aravena
Affiliations:
Telematics Group, Electronic Engineering Department, Universidad Técnica Federico, Santa María, Chile;Telematics Group, Electronic Engineering Department, Universidad Técnica Federico, Santa María, Chile;Computer Science Department, Universidad de Valparaíso, Chile and Telematics Group, Electronic Engineering Department, Universidad Técnica Federico, Santa María, Chile
Venue:
ONDM'07 Proceedings of the 11th international IFIP TC6 conference on Optical network design and modeling
Year:
2007

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Abstract

A novel algorithm for fast dimensioning of end-to-end optical burst switching networks is proposed. The proposed method determines the number of wavelengths for each network link according to the traffic load, the routing algorithm and the required blocking probability per connection. The burst input traffic is modeled by an ON-OFF alternating renewal process, which is more realistic for OBS networks than the typically used Poisson model. Compared to the two most typically used dimensioning approaches, the proposed method results in significant lower wavelength requirements whilst achieving the same target blocking probability. Additionally, the proposed method takes less than one second to dimension the network links which makes it several orders of magnitude faster than the conventional simulation approach.