There has been tremendous progress in research and commercialization of dense wavelength division multiplexing (DWDM) optical fiber communications. Transmission capacity as high as 10 Terabits/second through a single fiber has been demonstrated in laboratories. This huge capacity can create enormous data traffic congestions at major interconnections. An all-optical packet switched network can potentially eliminate this major bottleneck, by allowing the data packets to remain in the optical domain and to route through the
