RE: Two Drafts for Resilience of Control Plane

["Drake, John E" <John.E.Drake2@boeing.com>]

> Sticking to the example I described:
> a) absence of RSVP refreshes does not affect data plane in any way;
> b) use of LMP is not mandatory and, becides, I don't see now it helps.
> True, the TE link could be withdrawn, however, the LSP will still be
> operational
[JD] 

In your example, PathTear downstream and PathErr w/ state removed
upstream would work quite nicely.  As a matter of local policy, a node
always has the option of tearing down LSPs through adjacent nodes with
which control plane connectivity has been lost, after a configured
interval has elapsed.