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

Bob Hinden <[email protected]> Fri, 2 Aug 2024 08:35:04 -1000
Newsgroups	gmane.ietf.manet,gmane.ietf.ipv6
Message-ID	<[email protected]>
Fred,

> On Aug 1, 2024, at 11:40 AM, Templin (US), Fred L <[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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