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This study investigates the survivable traffic grooming problem for elastic optical networks with flexible spectrum grid employing new transmission technologies. In such networks, instead of following the traditional fixed ITU-T wavelength grid, optical transponders are capable of properly tuning their rates, and consequently their spectrum occupation, by introducing the fine-granular spectrum unit,...
In this paper, we consider hybrid circuit/packet networks. A hybrid circuit/packet network consists of a circuit network co-existing with a packet network; generally the packet network is embedded on top of the circuit network. However, in certain cases such as the DOE energy sciences network (ESnet), the circuit network and the packet network are deployed side-by-side (e.g. they have common end-node...
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