[Olsr-users] Multi-Topology Routing for OLSR?

Joerg Pommnitz (spam-protected)
Tue Jul 31 16:45:35 CEST 2012

See inline...

----- Original Message -----
> From: Henning Rogge <(spam-protected)>
> To: Joerg Pommnitz <(spam-protected)>
> CC: "(spam-protected)" <(spam-protected)>
> Sent: 15:45 Dienstag, 31.Juli 2012
> Subject: Re: [Olsr-users] Multi-Topology Routing for OLSR?
>>  How would you implement this (on top of OLSRv1)?
> You would generate a new Hello and TC format if you want to use
> different metrics for topologies.

I assume "metric" means LQ metric in this context, right?

If so, then I don't quite understand why you mix "multi-topology" with "different metrics".
IMHO these two topics are mostly independent of each other.
If one wants to use different metrics in different topologies one would need to either send hello messages for each topology or include a multiple metrics into the messages. Is this what you meant?

And I thought that I would need to change the HNA-messages as well, because not every
HNA prefix should be visible from every topology.

I'm unsure about the MID messages. I think each address in a MID message should belong to one or more topologies.

> It might also be necessary to have some filter involved between the
> physical topology and the dijkstra algorithm.
> And you need a way to store multiple dijkstra results.

Yeah, I was already aware of this.


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