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Why RSVP-TE ? Inter-Domain Traffic Engineered Pseudo-wires (PWs) Intra-domain PSN tunnels are RSVP-TE LSPs Look at the entire picture with all the pieces Multi-Segment (MS) PWs scalability with PW TE and PW resiliency and MS PW routing RSVP-TE provides existing mechanisms to address all of the above RSVP-TE (RFC 3209, 3473) and LSP-Hierarchy (draft-ietf-mpls-lsp-hierarchy) Same tools as those used for inter-domain RSVP-TE PSN Tunnels |