A high capacity metropolitan area network (MAN) is described. Data traffic from users is connected to data concentrators at the edge of the network, and is transmitted over fiber optic data links to a hub where the data is switched. The hub includes a plurality of data switching modules, each having...http://www.google.fr/patents/US4872159?utm_source=gb-gplus-shareBrevet US4872159 - Packet network architecture for providing rapid response time
Packet network architecture for providing rapid response time
