Re: [DNSOP] terminology: glue

[Tony Finch <[e-mail]>]

Casey Deccio <[e-mail]> wrote:
>
> Glue records -- "[Records] which are not part of the
>    authoritative data [for a zone], and are address resource records for
>    the servers [in a subzone].  These RRs are only necessary if the name
>    server's name is 'below' the cut, and are only used as part of a
>    referral response."  Without glue "we could be faced with the situation
>    where the NS RRs tell us that in order to learn a name server's
>    address, we should contact the server using the address we wish to
>    learn." (Definition from RFC 1034, section 4.2.1)
>
>    A later definition is that glue "includes any record in a zone file
>    that is not properly part of that zone, including nameserver records
>    of delegated sub-zones (NS records), address records that accompany
>    those NS records (A, AAAA, etc), and any other stray data that might
>    appear" ([RFC2181], section 5.4.1).  Although glue is sometimes used
>    today with this wider definition in mind, the context surrounding the
>    RFC 2181 definition suggests it is intended to apply to the use of glue
>    within document itself and not necessarily beyond.

I like this wording.

Re "other stray data", can we conclude if it includes or excludes
occluded records (as in RFC 6672 section 5.2 and RFC 2136 paragraph 7.18)?

Tony.
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