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Why Is Yet Another CAC Needed? Prior RSVP-based solutions of various degrees of scalability RFC2208 Aggregate RSVP reservations (RFC3175) draft-lefaucheur-rsvp-dste-02.txt, draft-lefaucheur-rsvp-ipsec Reservations-based RMD No state in the core, per-hop signaling PCN – next step in scalability reduction coupled with strong QoS assurances No state, no signaling in the core Many concepts common with aspects of marking-based RMD work in NSIS |