A communication system includes a plurality of nodes and a plurality of point-to-point links that interconnect the plurality of nodes into a network. Each node includes an optical switch to controllably route a plurality of in-ports of the optical switch into a plurality of out-ports of the optical switch....http://www.google.fr/patents/US7565081?utm_source=gb-gplus-shareBrevet US7565081 - Optical/radio local access network
