An approximate queueing model for limited-range wavelength conversion in an OBS switch

Authors:
Vishwas S Puttasubbappa;Harry G Perros
Affiliations:
Computer Science Department, North Carolina State University, Raleigh, NC;Computer Science Department, North Carolina State University, Raleigh, NC
Venue:
NETWORKING'05 Proceedings of the 4th IFIP-TC6 international conference on Networking Technologies, Services, and Protocols; Performance of Computer and Communication Networks; Mobile and Wireless Communication Systems
Year:
2005

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Abstract

We develop an analytical model for modeling limited-range wavelength conversion employed in an OBS switch. The system is modeled as a simultaneous resource possession problem. We propose a product-form solution which calculates approximate blocking probabilities for degree of conversion d = 1,2 and for large number of wavelengths. We then propose an approximate model for large values of d. The output of our model was verified with simulation results.