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Instantiating PMSIs
PMSIs instantiated by tunnels. Possible tunnels:
PIM-created trees (any flavor)
Point-to-Multipoint LSPs
Unicast tunnels:
from ingress to all egresses, with ingress replication
to root of distribution tree
PMSI instantiation may require set of tunnels
Single tunnel may instantiate more than one PMSI
Encaps a function of tunnel, not service
PPT Version