A method for managing multicast traffic in a data network, and devices using said method. The hosts store for each multicast group an included source record and an excluded source record, and the network interfaces of the hosts send to the router a message containing information about the included source...http://www.google.com/patents/US20100054249?utm_source=gb-gplus-sharePatent US20100054249 - METHOD AND DEVICE FOR MANAGING MULTICAST GROUPS
