Use Case: Parallel Aggregate RSVP Reservations R1 R4 R3 R2 R6 R5 P1 P2 R7 RSVP Aggregators Aggregation as per RFC3175 Need for Multiple Aggregate reservations for a given Agg RSVP Resa : Voice/EF + High Preemption End-to-end RSVPreservation + High Prempt Need for Parallel Aggregate Reservations Intserv/Diffserv Cloud Agg RSVP Resa : Voice/EF + Low Preemption End-to-end RSVPreservation + Low Preempt |