A method and system for managing the distribution of multicast content are provided. The method involves creating a list of multicast group addresses to be made available to user units supported by a group of nodes. The list is distributed to all of the nodes in the group of nodes. Filters are created...http://www.google.com.tw/patents/US20060233171?utm_source=gb-gplus-share專利 US20060233171 - Method and system for managing access to multicast groups
