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In GMPLS optical networks, the label (i.e., wavelength) selection process can be accomplished in a dynamic and distributed way by the RSVP-TE signalling protocol. In wavelength-continuous networks, the concurrent selection of the same label by distinct reservation attempts may lead to a connection blocking. In wavelength- convertible networks, the selection of a distinct label on each link may lead...
GMPLS architecture specifies signaling protocol extensions, such as the label set, to support dynamic connection setup in the optical domain. However, current extensions do not carry information to minimize converter utilization in wavelength routed optical networks. Converter waste increases the network cost and negatively impacts the blocking probability if the available converters are limited....
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