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Motivations and Objectives (Reminder) LDP largely deployed for setting up unicast LSPs in MPLS VPN networks Emerging requirements for supporting multicast traffic delivery within these MPLS VPN networks A relevant approach for multicast traffic delivery over a LDP enabled MPLS backbone = LDP extensions for setting up Point-To-Multipoint LSPs (P2MP LSPs) This draft focuses on the LDP approach for setting up P2MP LSPs It lists a detailed set of requirements for P2MP extensions to LDP To be used as guidelines when specifying LDP extensions |