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This paper proposes an architecture for Software Defined Optical Transport Networks. The SDN Controller includes a network abstraction layer allowing the implementation of cognitive controls and policies for autonomic operation, based on global network view. Additionally, the controller implements a virtualized GMPLS control plane, offloading and simplifying the network elements, while unlocking the...
This paper demonstrates a testbed of a reconfigurable optical network composed by four ROADMs equipped with flexgrid WSS modules, optical amplifiers, optical channel monitors, and supervisor boards. A controller daemon implements a node abstraction layer based in the YANG language, providing NETCONF and CLI interfaces. Additionally we demonstrate the virtualization of GMPLS control plane, while supporting...
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