A centralized policy server sends policy messages, that describe network management policy, to network switches. Each policy message includes a packet attribute that enables a network switch to uniquely identify a received data packet, and either a priority level or network switch action that describes...http://www.google.fr/patents/US6718379?utm_source=gb-gplus-shareBrevet US6718379 - System and method for network management of local area networks having non-blocking network switches configured for switching data packets between subnetworks based on management policies
System and method for network management of local area networks having non ...