Re: [babel] Adding two babel milestones

Donald Eastlake <d3e3e3@gmail.com> Tue, 25 May 2021 18:25 UTC

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From: Donald Eastlake <d3e3e3@gmail.com>
Date: Tue, 25 May 2021 14:24:45 -0400
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To: Juliusz Chroboczek <jch@irif.fr>
Cc: Babel at IETF <babel@ietf.org>
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Subject: Re: [babel] Adding two babel milestones
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Hi Juliusz,

On Tue, May 25, 2021 at 11:03 AM Juliusz Chroboczek <jch@irif.fr> wrote:
>
> Hi Donald,
>
> > So, I plan to add the following two milestones (I believe new milestones need
> > to be OKed by our AD):
> >
> >   June 2021   IESG submission of IPv4 via IPv6.
>
> Donald, I'd like to expand the introduction to this document before it is
> submitted to the IESG -- no content changes, just wording.  Is it possible
> to do that without restarting last call?

Probably. The Introduction does not seem to be controversial. I
suggested a change to the Introduction here
https://mailarchive.ietf.org/arch/msg/babel/5HEAHOesxnerhhq9rZcy92hjfwI/
and there were no complaints. You could propose a different change to
the Introduction as a resolution to my comment. Since all this is
getting posted to the WG mailing list, if no one speaks up in 7 or 8
days and there are no technical changes to the protocol, I don't think
we would need a new WG Last Call.

> >   Sept 2021   WG adoption of a Babel multicast draft.
>
> What do you envision?

Multicast is mentioned in the Babel WG Charter as something optional
to work on. This is just my personal opinion but a routing system that
doesn't handle both unicast and multicast seems incomplete to me.

> Babeld works with PIM-SM (that's what the
> "reflect-kernel-metric" option is for), but I'm not seeing a lot of
> interest.

Is this discussed in any of the Babel RFCs or drafts? Seems like
something somewhere in the IETF Babel documentation should talk about
at least a way to do multicast.

Thanks,
Donald
===============================
 Donald E. Eastlake 3rd   +1-508-333-2270 (cell)
 2386 Panoramic Circle, Apopka, FL 32703 USA
 d3e3e3@gmail.com

> I'm not following the DNSSD/mDNS community closely, but I'm
> under the impression that they're focusing on multicast-to-unicast proxies
> instead of site-local multicast (draft-cheshire-mdnsext-hybrid).
>
> There's also Sandy's BIER for Babel work, but I fear it may have been
> abandoned.
>
> > Perhaps the Babel WG meeting at the July IETF meeting (July 26-30)
> > should focus on multicast.
>
> My personal plans are to finish merging HMAC and v4-via-v6 into babeld
> mainline, and then to get back to working on network-layer mobility:
>
>   https://www.irif.fr/~jch/software/sroamd.git
>
> -- Juliusz