A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : RSVP-TE Graceful Restart under Fast Re-route conditions
Author(s) : A. Liu, S. Kini
Filename : draft-liu-mpls-rsvp-te-gr-frr-00.txt
Pages : 7
Date : 2009-10-15
During RSVP-TE graceful restart (GR), the LSR communicates with
its directly connected neighbors to synchronize LSP state to
recover from control plane failure conditions. However, when the
LSP has undergone a Fast Re-route (FRR), the directly connected
neighbor of the Point of Local Repair (PLR) or Merge Point (MP)
could be down. The FRR condition of the LSP could exist for a
substantial period of time. During this period the network is
vulnerable to traffic loss if control plane experiences a failure
on the PLR or MP. This draft describes a mechanism to extend RSVP-
TE GR to work under conditions where FRR has occurred.
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