A system and method for identifying and grouping multiple virtual local area networks into a single multicast domain is provided. The system and method may be configured to designate a virtual local area network within as a multicast virtual local area network to streamline the delivery of multicast...http://www.google.de/patents/US7944925?utm_source=gb-gplus-sharePatent US7944925 - System and method for grouping multiple VLANs into a single 802.11 IP multicast domain