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Re: [DNSOP] I-D Action: draft-bellis-dnsext-multi-qtypes-08.txt

John Levine <johnl@taugh.com> Fri, 17 November 2023 18:32 UTC

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Date: Fri, 17 Nov 2023 13:32:40 -0500
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From: John Levine <johnl@taugh.com>
To: dnsop@ietf.org
Cc: paul@nohats.ca
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Archived-At: <https://mailarchive.ietf.org/arch/msg/dnsop/Ox5L4GW4WfY97yhzlnQKfUS9aR8>
Subject: Re: [DNSOP] I-D Action: draft-bellis-dnsext-multi-qtypes-08.txt
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It appears that Paul Wouters  <paul@nohats.ca> said:
>On Fri, 17 Nov 2023, Ray Bellis wrote:
>> [ bitmaps ]
>I think it would be unwise to make assumptions on how people will use
>this feature. They might want to ask for many more records along with
>A/AAAA records. If we change a core DNS feature, it should not designed
>for a specific DNSSD use case of HTTPS.

I can think of a lot of applications where you might want two or three
RRTYPEs, e.g. MX+A+AAAA for mail lookups, A+TXT for dnsbls, but I'm
coming up blank for more than that. If someone could suggest a
plausible use for six or seven or more, the bitmap might seem useful.

R's,
John

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