Brian E Carpenter <[email protected]> wrote: >> Brian E Carpenter <[email protected]> wrote: >> > Here is a new draft for ANIMA to consider. We believe it is useful >> > to explore the idea of an autonomic control plane constructed at >> > the link layer. Comments please! >> >> Does this mean it transports L2 packets (a la spanning-tree or TRILL), or >> does this mean it uses L2 technologies like MACSEC to create a tunnel >> for L3 packets?
> Well, I don't think the draft in its present form should attempt to
> answer that question. In my mind I was thinking of a conventional
> LAN set up, i.e. spanning tree, but that doesn't have to be the
> only way. In practice that usually needs MLDv2 snooping as well.
okay, so you were thinking about the first part.
Yes, you need MLDv2 snooping.
>> i.e. does L3 multicast appear to just work because it more layer-2
tricks?
> L3 multicast works automatically if L2 multicast works, surely
(remembering
> that there is no router). How L2 multicast works is another question, of
> course. I don't mean to say it's unimportant, just that it's not in scope
> for this particular draft.
In other words, more IPv4-inspired L2-tricks to maintain the illusion there
is a big-blue cable with AUI taps on it. And continued inability to see L2
switches, or creatively route around L2 failures :-)
--
Michael Richardson <[email protected]>, Sandelman Software Works
-= IPv6 IoT consulting =-
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