Re: [OSPF] SPF calculation

[Joakim Tjernlund <joakim.tjernlund at transmode.se>]

Dave Katz <dkatz at juniper.net> wrote on 06/08/2009 21:22:47:
>
>
> On Aug 6, 2009, at 1:16 PM, Joakim Tjernlund wrote:
>
> >
> > The idea here is use some link until the remote end has updated its
> > LSA
> > to include the "back link" so the intervening router case will just
> > act as a substitute until next LSA update.
>
> How do you know whether it's a transient condition?

hmm, good question. Have to dwell on that. Assume for now that it will
be transient.

>
> >
> > What I wonder is if this can cause more trouble than it solves, i.e
> > what
> > bad things can happen?
>
> Routing loops and black holes.

Can these affect other routes too?

>
> > Or won't it help at all?
>
> Probably not.

But it might? Please see the other mail I just sent before this one.