November 2004
Intermediate to advanced
336 pages
11h 24m
English
Content preview from Fault-Tolerant IP and MPLS Networks
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248 Chapter 9: MPLS Control Plane: Restarting RSVP-TE Gracefully
Network Deployment Considerations for RSVP-TE
Graceful Restart
By now it should be clear that the support of the RSVP-TE GR mechanism requires that the
restarting LSR be capable of preserving its MPLS forwarding state across its restart, the
restarting LSR must inform neighbors about its GR capability before the restart, and the
neighbors must also help the restarting LSR recovery procedure by retaining their RSVP-TE
control plane/MPLS forwarding state across the restart and resynchronizing RSVP-TE state
during the recovery period. Because RSVP-TE control-plane component failure ...
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