MPLS-TP Access and Aggregation Network (image) The Optical Society Caption This is a Centre Tecnologic de Telecomunicacions de Catalunya ADRENALINE testbed showing a MPLS-TP access and aggregation network over a 4-node wavelength switched optical transport network. The multi-layer network can be controlled by either a distributed GMPLS control plane or an integrated stateful PCE/OpenFlow centralized control plane. Credit CTTC Optical Networking Area, Spain Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.