Re: [DNSOP] I-D Action: draft-ietf-dnsop-glue-is-not-optional-02.txt

John R Levine <johnl@taugh.com> Wed, 28 July 2021 00:32 UTC

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Date: 27 Jul 2021 20:32:09 -0400
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From: "John R Levine" <johnl@taugh.com>
To: "Shumon Huque" <shuque@gmail.com>
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Subject: Re: [DNSOP] I-D Action: draft-ietf-dnsop-glue-is-not-optional-02.txt
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>> We say that authoritative servers MUST return all the glue, which is true
>> for real glue, but not true for sibling glue (unless the sibling is in
>> a loop which is not something to encourage.)  Let's not confuse people, please.
>
> Just to make sure we're talking about the same thing, the definition of
> sibling glue is glue from another zone delegated from the same parent.

That's not what the example in 4.1 of the draft shows.  It has foo.test 
depending on ns1.bar.test, so the server adds the A record for 
ns1.bar.test.

If we can't even agree what sibling glue is, perhaps we should snip it out.

Regards,
John Levine, johnl@taugh.com, Taughannock Networks, Trumansburg NY
Please consider the environment before reading this e-mail. https://jl.ly