Katrina Network Damage Report

bmanning at vacation.karoshi.com bmanning at vacation.karoshi.com
Sat Sep 10 21:20:49 UTC 2005


> but reachability is what it's all about.  the folk here are
> paid to deliver packets.  the control plane (routing) is one of
> the tools we use to achieve that end.
> 
> Re: From: George William Herbert <gherbert at retro.com>
> > Looking at the routing tables you see failures.  If a prefix
> > goes away completely and utterly, and is truly unreachable,
> > then anyone trying to see it is going to see an outage.
> 
> not if a covering or more specific tells us how to get packets
> to the destination.  but perhaps that's what you mean by a
> prefix being unreachable and i am being too picky.

	would that be that -all- your neighbors have no
	information on how to forward that packet, then
	the destination is unreachable.

	what if a neighbor lies about reachablity and you
	dump your packets into their "blackhole"?

	that darned policy-constrained routing ick can be
	tough to deal w/...

> 
> randy

--bill  (who will return to lurking)



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