[manet] Re: [IPv6]Re: IPv6 Address for Ad Hoc Networks

I agree. There is plenty of IPv6 address space. Don't focus the discussion
on recycling IPv6 address space; focus on the use case and why it is
needed. If we gain consensus on that, what address space to assign will
take care of itself; if nothing else, IANA will take care of that.

By the way, I like calling it Multi-Link Local. The name clearly describes
what distinguishes it from regular link-local and even ULA.

If it is not clear, I support working on this.

Thanks.

On Fri, Aug 2, 2024 at 1:36 PM Bob Hinden <[email protected]> wrote:

> Fred,
>
> > On Aug 1, 2024, at 11:40 AM, Templin (US), Fred L <Fred.L.Templin=
> [email protected]> wrote:
> >
> > Hi, this draft has been updated based on feedback from the IETF120 6MAN
> and MANET working
> > group sessions where the work was presented. The updates include:
> >
> >  - Drop support for fec0::/10 - reason: RFC3879 deprecation has rendered
> this prefix inoperable
> >  - Use prefix 2001:20::/28 [RFC7343][RFC7401] as "Type-1"
> Multilink-Local Address (MLA) prefix
> >  - Use prefix 2001:30::/28 [RFC9374] as "Type-2" MLA prefix
> >  - Allow future documents to define new MLA types, if necessary
>
> IMHO, this draft should not specify any specific prefixes.   It should all
> be “To be assigned”.   Including it now is a distraction to the more
> important question.
>
> I think the question that needs to be answered is:  Is there a real need
> for Ad Hoc IPv6 addresses?   Focusing now on the details or which or how
> many prefixes it might use doesn’t address that.
>
> Bob (w/ no hats)
>
>
> > While MANETs represent a natural basic use case, the IPv6 Ad Hoc network
> addressing
> > scheme applies to all manners of IPv6 networks and not just those that
> fall within the auspices
> > of the MANET working group. The work is therefore in scope for the
> larger Internet area in
> > general the same as RFC5889, but is more specifically targeted for 6MAN
> due to its exclusive
> > focus on IPv6. For full context, please view the IETF120 MANET session
> presentation beginning
> > at the 22minute mark here:
> >
> >
> https://play.conf.meetecho.com/Playout/?session=IETF120-MANET-20240726-1630
> >
> > Please review and comment so that this essential work can move forward.
> >
> > Thank you - Fred Templin
> >
> > -----Original Message-----
> > From: [email protected] <[email protected]>
> > Sent: Thursday, August 01, 2024 12:49 PM
> > To: [email protected]
> > Subject: I-D Action: draft-templin-6man-mla-19.txt
> >
> > Internet-Draft draft-templin-6man-mla-19.txt is now available.
> >
> >   Title:   IPv6 Addresses for Ad Hoc Networks
> >   Author:  Fred L. Templin
> >   Name:    draft-templin-6man-mla-19.txt
> >   Pages:   13
> >   Dates:   2024-08-01
> >
> > Abstract:
> >
> >   Ad Hoc networks often present a challenging environment for IPv6
> >   addressing due to the indeterminant neighborhood properties of their
> >   interfaces.  IPv6 nodes must assign IPv6 addresses to their interface
> >   connections to Ad Hoc networks that are locally unique but must not
> >   be propagated to other networks.  IPv6 nodes must therefore be able
> >   to assign self-generated addresses to their interfaces when there are
> >   no IPv6 Internetworking routers present that can coordinate topology-
> >   relative IPv6 addresses or prefixes.  This document specifies IPv6
> >   address types that can be assigned to Ad Hoc network interfaces.
> >
> > The IETF datatracker status page for this Internet-Draft is:
> > https://datatracker.ietf.org/doc/draft-templin-6man-mla/
> >
> > There is also an HTMLized version available at:
> > https://datatracker.ietf.org/doc/html/draft-templin-6man-mla-19
> >
> > A diff from the previous version is available at:
> > https://author-tools.ietf.org/iddiff?url2=draft-templin-6man-mla-19
> >
> > Internet-Drafts are also available by rsync at:
> > rsync.ietf.org::internet-drafts
> >
> >
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