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What is needed ? R1 R4 R3 R2 R6 R5 P1 P2 R7 IPsec VPN Routers IPsec VPNs, with need for end-to-end RSVP reservations: ? e2E reservations must be hidden/aggregated over IPsec tunnels ? resources must be reserved (by RSVP) in the Diffserv Cloud for traffic carried over a given IPsec tunnel (eg for Voice traffic, for Video traffic) See draft-baker-tsvwg-vpn-signaled-preemption-02.txt “QoS Signalling in a Nested VPN” IPsec tunnel End-to-end RSVP reservation Intserv/Diffserv Cloud |