National R&D activities on optical switching networkare introduced. Optical switching network testbedswere established in China including 3T-net andOBS ring and mesh network test-bed with the supportof national '863' program. As an importantmodule in OPS network, a novel all-optical serialmulticast mode is discussed.
National R&D activities on optical switching network are introduced. Optical switching network testbeds were established in China including 3T-net and OBS ring and mesh network test-bed with the support of national '863' program. As an important module in OPS network, a novel all-optical serial multicast mode is discussed.