[nsp] Graceful shutdown

[Terry Baranski]

> I've been thinking about some expect scripts that would shut
> a router down gracefully (ie. without packet loss), by giving 
> backup routers time to takeover traffic forwarding before the 
> power cycle.
> 
> [snip]
>
> It might also be possible to do this with some Layer2
> ethernet devices by raising the spanning-tree cost of every 
> port in an attempt to deflect traffic away from it.

More of an FYI rather than a "here's the solution to your problems":
http://www.ietf.org/internet-drafts/draft-dubois-bgp-planned-maintenance
-00.txt

-Terry