Re: [B.A.T.M.A.N.] [PATCH 3/3] batman-adv: Modified forwarding behaviour for multicast packets

[Antonio Quartulli <ordex@autistici.org>]

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On Thu, May 16, 2013 at 08:22:25PM +0200, Linus Lüssing wrote:
> On Sun, May 12, 2013 at 01:29:29AM +0200, Antonio Quartulli wrote:
> > On Sat, May 11, 2013 at 07:23:27PM +0200, Linus Lüssing wrote:
> > > With this patch a multicast packet is not always simply flooded anymore,
> > > the bevahiour for the following cases is changed to reduce
> > > unnecessary overhead:
> > > 
> > > If all nodes within the horizon of a certain node have signalized
> > > multicast listener announcement capability
> > > (BATADV_MCAST_LISTENER_ANNOUNCEMENT) then an IPv6 multicast packet
> > > with a destination of IPv6 link-local scope coming from the upstream
> > > of this node...
> > > 
> > > * ...is dropped if there is no according multicast listener in the
> > >   translation table.
> > > * ...is forwarded via unicast if there is a single node with interested
> > >   multicast listeners.
> > > 
> > 
> > othwerwise? Does it get flooded like now if there is more than one receiver?
> 
> Yes, it will get flooded. Thought it was clear because I was
> saying "for the following cases is changed", trying to imply that
> for anything else it'll still get flooded. But ok, I can make it
> more explicit.

Yes, please

Cheers,

-- 
Antonio Quartulli

..each of us alone is worth nothing..
Ernesto "Che" Guevara

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