Spectral efficiency-priority anycast routing resource reconfiguration method based on elastic optical network
An elastic optical network and spectrum efficiency technology, which is applied in the field of spectrum efficiency priority anycast routing resource reconfiguration, can solve the problems of multiple transmission bandwidth resources, increase and consumption of elastic optical network blocking rate, etc., and achieve the effect of reducing network blocking rate.
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[0035] The method provided by the present invention uses the first-fit (First-Fit, FF) spectrum allocation method for anycast request to first calculate the optical path optimized for the blocking rate to connect to the data center, and sort the optical paths according to the priority principle of spectrum efficiency. It is determined in turn that the blocking rate optimization optical path bandwidth of anycast is sufficient and the selected data center is not a renewable energy-powered data center, then the blocking rate optimization optical path is reserved for the anycast request; then the end hit (Last-Fit, The LF) spectrum allocation method selects an energy-optimized optical path that is connected to renewable energy-powered data centers with sub-optimal spectrum efficiency for the service to transmit anycast; when the blocking rate optimization optical path and other anycast energy-efficient optical path conflict in spectrum allocation, then Reconfigure the anycast of ene...
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