Network traffic management is achieved based on automatically setting up a plurality of virtual networks (VNETs) within a single large virtual LAN. Multicast/broadcast traffic is confined to the VNET of the source, without imposing constraints on layer two addressing within the virtual LAN. VNETs are...http://www.google.es/patents/US6269404?utm_source=gb-gplus-sharePatente US6269404 - Virtual network architecture for connectionless LAN backbone
Virtual network architecture for connectionless LAN backbone
