Blocking Performance Analysis on Adaptive Routing over WDM Networks with Sparse Wavelength Conversion

Authors:
Aijun Ding;Sun-Teck Tan;Gee-Swee Poo
Affiliations:
-;-;-
Venue:
LCN '03 Proceedings of the 28th Annual IEEE International Conference on Local Computer Networks
Year:
2003

Citing 0
Cited 2

Performance of distributed reservation control in wavelength-routed all-optical WDM networks with adaptive alternate routing

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Adaptive alternate routing in WDM networks and its performance tradeoffs in the presence of wavelength converters

Optical Switching and Networking

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Abstract

This paper proposes an analytical model for theblocking performance of adaptive routing over WDMnetworks with sparse wavelength conversion. Two keycomponents of the model are 1) separate routes intosegments, and calculate the blocking performance of eachsegment; and 2) calculate overflow traffic to wavelengthconvertible node, and then get the blocking probability ofthe node. The blocking probability of the whole network isthen calculated as the combination of the blockingprobability of segments and nodes. Based on the model,an adaptive routing algorithm is proposed, which is ableto finish routing and wavelength assignment in one singlestep. Numerical results show that among the parametersconsidered, the number of wavelengths turns out to be theprimary factor for the blocking performance.