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

Paul Wouters <paul@nohats.ca> Wed, 28 July 2021 03:10 UTC

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Date: Tue, 27 Jul 2021 23:10:29 -0400
From: Paul Wouters <paul@nohats.ca>
To: Ralf Weber <dns@fl1ger.de>
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Subject: Re: [DNSOP] I-D Action: draft-ietf-dnsop-glue-is-not-optional-02.txt
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On Wed, 28 Jul 2021, Ralf Weber wrote:

> However requiring authorities to put unnecessary data in the additional section
> (the sibbling glue) is not something I support.

First, as Mark said, sibling glue is sometimes needed.

Second, the server will most likely not know whether or not the glue
is needed, it will just include it so it does not have to follow the
complicated looping zones to determine if it is needed or not. Since it
does not know if it is needed or not, it cannot make a smart decision
on whether setting TC=1 is overkill or not. Thus the document saying
"also for sibling glue, just set TC=1 if it does not fit".

Paul

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