Sure... 
But don't look at me, i don't remember i added that Cc:, i added mboned ;-))

On Tue, Aug 11, 2015 at 12:15:49PM -0400, Alia Atlas wrote:
> Can we please remove ieee-ietf-co...@ietf.org from this conversation?
> Once we as the IETF figure out what to write down and discuss, that'll be a
> good time to interact,
> but I think this conversation is really not the point of that list.
> 
> It's already cc'd to mboned and homenet...
> 
> Thanks,
> Alia
> 
> On Tue, Aug 11, 2015 at 12:08 PM, Toerless Eckert <eck...@cisco.com> wrote:
> 
> > On Mon, Aug 10, 2015 at 10:43:56AM +0000, Pascal Thubert (pthubert) wrote:
> > > Yes it is. IP over Foo must indicate if IP multicast over a link uses L2
> > mechanisms or not.
> > >
> > > If not, a router learns from MLD the state it needs to figure to which
> > devices it should copy a given packet.
> >
> > Well, the problem with WiFI is that L2 multicast  are useful under some
> > conditions and not useful under others. And the conditions are more
> > complex than boolean ;-)
> >
> > > For Wi-Fi, there is no multicast support and it is sufficiently clear
> > now that relying on broadcast is not a good idea.
> >
> > Pretty sure you don't mean that. If you would eliminate ALL multicast, you
> > didn't have discovery of new devices.
> >
> > > Rather, a good idea could be to build a multilink subnet with APs that
> > are also routers to serve the wireless edge, whereby the Ethernet backbone
> > can rely on L2 broadcast while the wireless edge is routed. Many LLNs work
> > like this. Why should Wi-Fi be an exception?
> >
> > Thats why i asked what device model we need. Don't think i got an
> > answer for that though. L3 homenet APs would be lovely. But will it
> > be sufficient to ONLY support those theoretical devices in homenet ?
> >
> > > > Again, if if's IPs problem then if 802.11 would just clearly state
> > that this is
> > > > the case, then we have a way forward. I just hope 802.11 understand
> > that
> > > > it'll see a lot more unicast coming its way and be prepared to handle
> > it.
> > >
> > > I'd hate this, IEEE telling IETF what to do. Just like IETF telling IEEE
> > to do an immensely scalable L2 multicast support so that Solicited Node
> > Multicast appears so cool on a switched fabric? Does not seem to work
> > either.
> >
> > Sure.
> >
> > > The IETF has to decide if it wants to design IP over 802.11 - or Wi-Foo
> > in general which would be my take. And then the IETF has to decide if it
> > wants to design IP over a mix of Wi-Fi and Ethernet. IEEE people may join
> > the effort so we do the job right.
> >
> > Getting IPv6 link signaling work with WiFi sucking L2 multicast
> > is just a bit of work in the L2 IPv6 protocols that can be done
> > IMHO without botrhering IEEE. Getting streaming multicast work
> > best requires more L2 awareness and it doesn't seem homenet
> > is interested in thast anyhow, so i think we're only going to get
> > a solution for the L2 IPv6 signaling piece realistically in the
> > IETF alone.
> >
> > Cheers
> >     toerless
> >
> > _______________________________________________
> > homenet mailing list
> > homenet@ietf.org
> > https://www.ietf.org/mailman/listinfo/homenet
> >

-- 
---
Toerless Eckert, eck...@cisco.com

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