[Xorp-hackers] Want to contribute !!!!!

[Kristian Larsson]

On Tue, Sep 26, 2006 at 12:20:50AM -0700, Pavlin Radoslavov wrote:
> 
> > > However, I would advice against taking on the task of implementing
> > > Bidir-PIM or Anycast-RP. Both mechanisms require detailed
> > > understanding of the PIM-SM internals (as implemented in XORP), and
> > > lots of your effort might be spent reading the source code or doing
> > > things are not very productive from the perspective of your project
> > > (e.g., making sure that your implementation logic is consistent with
> > > the PIM-SM internals, coding style, etc).
> > Forgive me if I'm wrong, I have little or no
> > understanding of MSDP / PIMs internals, but isn't
> > Anycast RP just normal PIM with MSDP configured
> > between your RPs?
> > I've configured it a few times but never bothered
> > figuring out how it actually works but I reckon
> > it's no different than two ASs talking MSDP
> > between each other, this time it's just Intra-AS.
> > So do you actually need to do modifications to the
> > PIM stack to allow anycast RPs?
> > Perhaps I should go read som RFCs ;)
> 
> Probably what you have in mind is RFC 3446:
> "Anycast Rendevous Point (RP) mechanism using Protocol Independent
> Multicast (PIM) and Multicast Source Discovery Protocol (MSDP)".
That's the one.

> This solution eventually requires minor (if any) additional
> coding/changes (if you have PIM-SM and MSDP implemented of course).


> What I had in mind with regard to Anycast RP is RFC 4610:
> "Anycast-RP Using Protocol Independent Multicast (PIM)".
> This solution requires changes to the PIM-SM implementation itself,
> but does not need/use MSDP.
Aha! :)

Got some RFC catching up to do then ;)
Thanks

Regards,
   Kristian

-- 
Kristian Larsson                                   KLL-RIPE
Network Engineer                      Net at Once [AS35706]
+46 704 910401			     kristian at spritelink.se