Re: [v6ops] [EXTERNAL] Re: Scope of Unique Local IPv6 Unicast Addresses (Fwd: New Version Notification for draft-gont-6man-ipv6-ula-scope-00.txt)

David Farmer <farmer@umn.edu> Tue, 16 February 2021 17:23 UTC

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From: David Farmer <farmer@umn.edu>
Date: Tue, 16 Feb 2021 11:23:09 -0600
Message-ID: <CAN-Dau3xc4x3UKGsuPdYdMTLu-BWsu6zyKPcAgJu99ALN6Z4yw@mail.gmail.com>
To: Fernando Gont <fgont@si6networks.com>
Cc: Ted Lemon <mellon@fugue.com>, "Manfredi (US), Albert E" <albert.e.manfredi@boeing.com>, IPv6 Operations <v6ops@ietf.org>, "6man@ietf.org" <6man@ietf.org>
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Subject: Re: [v6ops] [EXTERNAL] Re: Scope of Unique Local IPv6 Unicast Addresses (Fwd: New Version Notification for draft-gont-6man-ipv6-ula-scope-00.txt)
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On Tue, Feb 16, 2021 at 9:38 AM Fernando Gont <fgont@si6networks.com> wrote:

> On 16/2/21 12:17, Ted Lemon wrote:
> > On Feb 16, 2021, at 10:09 AM, Fernando Gont <fgont@si6networks.com
> > <mailto:fgont@si6networks.com>> wrote:
> >> But reading the "ipv6 scoped addressing architecture" (RFC4007) would
> >> have suggested that what they did is correct.
> >
> > RFC 4007 doesn’t mention ULAs, so they wouldn’t have differentiated them
> > from other addresses on the basis of RFC 4007.
>
> It doesn't mention ULAs, because it predates it.
>
> But it is an *architecture* document (that what it claims to be). Hence,
> you'd assume that protocols reflect the architecture.
>

And since RFC4193 neither updates RFC4007 or RFC 3513 (nor was it
referenced in RFC4291) there are no breadcrumbs to follow either. This is
the biggest issue I have and if anything comes out of this discussion, can
we please get reasonable breadcrumbs in place. There is several possible
ways to solve this.

Thanks
-- 
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David Farmer               Email:farmer@umn.edu
Networking & Telecommunication Services
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