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MVPN Architecture Control Plane MVPN Auto-Discovery Allows discovering MVPN membership information using BGP Elimination of overhead of PIM Hellos MVPN Routing Information Exchange among PEs Preserves the ability to use existing PIM machinery Allows reliable exchange of VPN Multicast Routing Information PIM refresh reduction or BGP Control traffic doesn’t necessarily use the tunnels used by the data traffic Similar to 2547 unicast architecture Allows unicast PIM or BGP |