Re: [DNSOP] Another attempt at consensus on the bailiwick discussion

(no hats)

I feel that "might be useful" leaves the definition still ambiguous.

I like Paul V's additions on where the glue must reside, and noting that it
will be passed along with transfers.

tim

On Wed, Dec 15, 2021 at 6:56 PM Wessels, Duane <dwessels=
40verisign.com@dmarc.ietf.org> wrote:

> For me “necessary” is an important distinction and “might be useful” is
> too broad or ambiguous.  I have a hard time reconciling the idea that glue
> is not optional with the idea that it might be useful.
>
> DW
>
>
> > On Dec 15, 2021, at 3:18 PM, Ben Schwartz <bemasc=
> 40google.com@dmarc.ietf.org> wrote:
> >
> >
> >
> > I like this definition.  However, I think it would be clearer to say
> "useful" instead of "necessary".
> >
> > On Wed, Dec 15, 2021 at 1:18 PM Wessels, Duane <dwessels=
> 40verisign.com@dmarc.ietf.org> wrote:
> > Despite what the subject line says, I’d like to follow up on the
> discussion about glue from today’s interim meeting.
> >
> > First, I think the definition of glue given in RFC 2181 is problematic
> in a number of ways.  It is overly broad (e.g., "any record ... that is not
> properly part of that zone” and "any other stray data that might appear”).
> It essentially says that all non-authoritative data is glue, including NS,
> which is wrong IMO.
> >
> > If we can ignore what 2181 says, then the question is whether or not
> glue is limited only to addresses.  Historically it has only meant
> addresses, since those address RRs were required for zones with in-domain
> name servers.  There are some new proposals in DPRIVE to publish more
> record types in parent zones and have them considered as glue.  This has
> obvious implications server behavior given the glue-is-not-optional draft.
> >
> > On one hand I think it would be a lot simpler to just say that only
> address records can be glue.  But I’m not sure that is defendable given the
> directions things are going.  Here’s a definition of glue that I came up
> with:
> >
> > Glue is non-authoritative data in a zone that is transmitted in the
> additional section of a referral response on the basis that the data might
> be necessary for resolution to proceed at the referred name servers.
> >
> > I also feel like we might be heading in a direction where there would
> need to be a registry or some standardization of which RR types can be
> treated as glue.
> >
> > DW
> >
> >
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