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Overview of Rosen MVPN
Definition
Multicast VPN (MVPN) in Rosen Mode is based on the multicast domain (MD) scheme defined in relevant standards. MVPN in Rosen Mode implements multicast service transmission over MPLS/BGP VPNs.
Purpose
MVPN in Rosen Mode transmits multicast data and control messages of PIM instances in a VPN over a public network to remote sites of the VPN.
With MVPN in Rosen Mode, a public network PIM instance (called a PIM P-instance) does not need to know multicast data transmitted in a PIM VPN instance (called a PIM C-instance), and a PIM C-instance does not need to know multicast data transmitted in a PIM P-instance. Therefore, MVPN in Rosen Mode isolates multicast data between a PIM P-instance and a PIM C-instance.
