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Optical Switching Networks With Minimum Number of Limited-Range Wavelength Converters

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3 Author(s)
Hung Q. Ngo ; State Univ. of New York at Buffalo, Amherst ; Dazhen Pan ; Yuanyuan Yang

We study the problem of determining the minimum number of limited-range wavelength converters needed to construct strictly, wide-sense, and rearrangeably nonblocking optical cross-connects for both unicast and multicast traffic patterns. We give the exact formula to compute this number for rearrangeably and wide-sense nonblocking cross-connects under both the unicast and multicast cases. We also give optimal cross-connect constructions with respect to the number of limited-range wavelength converters.

Published in:

IEEE/ACM Transactions on Networking  (Volume:15 ,  Issue: 4 )