A method and apparatus for enabling congruent multicast and unicast routing in a Virtual Private Network (VPN) are disclosed. For example, the present method receives a request to join a multicast group to receive multicast data traffic by a receiver behind a remote Provider Edge (PE) router. The method...http://www.google.de/patents/US7626984?utm_source=gb-gplus-sharePatent US7626984 - Method and apparatus for providing congruent multicast and unicast routing
