ECMP/multipath support

[Joakim Tjernlund]

-----Ondrej Zajicek <santiago at crfreenet.org> wrote: -----
>
>
>On Mon, Jan 03, 2011 at 05:37:25PM +0100, Joakim Tjernlund wrote:
>> > > Any plans to add support for Opaque LSAs/GMPLS in the near future?
>> >
>> > Nothing specific. Where (and how) is this feature used?
>> 
>> We have an old zebra based GMPLS TE (using RSVP too) to allocate
>> paths through our network. Don't know much about it(yet) but
>> if we were to move to BIRD we would need support for this.
>
>I don't know much about GMPLS. I wonder for what purpose,
>in which cases and on what hardware (and software) is that used?

I have to get back on that.

>
>> Something else, in calc_next_hop:
>> don't you need to return all next hops for ptmp links now that you
>> support ECMP?
>
>The same as in ptp or bcast - multiple next hops are created
>by compositing returns of calc_next_hop(). Look at the caller
>of calc_next_hop().

Don't think it will work as intended(I am traveling and only have mail access)
but I think the find_neigh(ifa, rid);
will always find the same neighbor so any additional links
will be missed.

 Jocke