SDN-enabled reconfigurable optical data center networks based on nanoseconds WDM photonics integrated switches

An SDN-controlled optical DCN based on photonics integrated switch enabling QoS-driven network-slice provisioning and reconfiguration is experimentally assessed. Network-slice can be dynamically reconfigured within 150 ms to maintain specified QoS per network-slice. Controlled by the optical flow control protocol, the deployed photonics integrated switches perform error-free 10 Gb/s switching with < 2dB penalty and zero packet-loss caused by the packet contention.