12.6 Testbeds 689 Table 12.2 Key features of photonic packet-switching testbeds described in Section 12.6. Testbed KEOPS Topology Switch Bit Rate 2.5 Gb/s (per port) Functions Demonstrated 4 × 4 switch, subnanosecond switching, all-optical wavelength conversion tunable lasers, packet synchronizer 16 × 16 broadcast/select, subnanosecond switching 16 × 16, tunable laser 4 × 4 broadcast/select Bit-interleaved data transmission and reception Routing in a 1 × 2 switch based on optical header recognition Packet compression, TOAD-based demultiplexing Optical phase lock loop, pulse KEOPS FRONTIERNET NTT Synchrolan (BT Labs) BT Labs Princeton AON Switch Switch Switch Bus Switch Switch Helix (bus) 10 Gb/s (per port) 2.5 Gb/s (per port) 10 Gb/s (per port) 40 Gb/s (aggregate) 100 Gb/s (per port) 100 Gb/s (per port) 100 Gb/s