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Per Neighbor / Interface Keys for RSVP Authentication
R1
R2
R3
R4
non-RSVP
(PATH)2
Shared keys (K2, K3, K4) per peer / interface
Today typically statically configured
Operationally heavy ? typically not used
K2
(PATH)3
(PATH)4
K3
K4
K3
K4
K2
today
PPT Version