Hi Jakob,
> Suppose 2 RR planes, plane1 advertises the best path
> and plane2 advertises the second best.
>
> If there is no second best, does plane2 advertise nothing?
Yes it would advertise overall best if backup is missing.
> Suppose it does.
Ok.
> Suppose there are 2 paths to a destination.
> P1 is best and P2 second best.
> Now P1 goes down.
> Plane1 will change its advertisement to P2.
> Plane2 will withdraw P2.
No.
The overall assumption is that all RRs keep all paths. So plane 1 will
advertise P2 and plane 2 will do nothing if P1 goes down as it already
advertised P2 to the client.
> If the RR client receives and processes the withdrawal
> first, it will flap.
No withdraw will happen.
Cheers,
R.
> Note, the messages are asynchronous. Even if plane1
> sends his message first, the client can still process
> the message from plane2 first.
>
> A solution would be to delay any advertisements from
> the second-best plane by an interval greater than the MRAI
> timer. Not good, but I can't think of anything better.
>
> --
> Jakob Heitz.
>
> _______________________________________________
> GROW mailing list
> [email protected]
> https://www.ietf.org/mailman/listinfo/grow
>
_______________________________________________
GROW mailing list
[email protected]
https://www.ietf.org/mailman/listinfo/grow
