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[art] Re: [SPICE] Re: Re: draft-ietf-spice-glue-id-04 ietf last call Artart review

Patrik Fältström <paf@paftech.se> Thu, 12 February 2026 09:01 UTC

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From: Patrik Fältström <paf@paftech.se>
To: Rohan Mahy <rohan.mahy@gmail.com>
Date: Thu, 12 Feb 2026 10:01:05 +0100
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CC: Tim Bray <tbray@textuality.com>, Brent Zundel <brent.zundel=40yubico.com@dmarc.ietf.org>, art@ietf.org, draft-ietf-spice-glue-id.all@ietf.org, last-call@ietf.org, spice@ietf.org
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Subject: [art] Re: [SPICE] Re: Re: draft-ietf-spice-glue-id-04 ietf last call Artart review
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Note that my comment is based on the fact only ASCII is to be used. If on the other hand a broader selection of characters are to be used, then we have a completely different kind of fish to fry -- all depending on whether the identifiers are to be compared, sorted and what not.

I.e. a whole lot of baggage that is most easily solved by referencing various IDN related work in other wg's in the IETF.

To conclude, I did not make any judgement whether it is a good or bad decision to be ASCII only.

Patrik

On 12 Feb 2026, at 9:05, Rohan Mahy wrote:

> My question is what is the argument for excluding them. Is there a technical argument (because URNs can perfectly well include percent-encoded characters)? Is there a security argument? Or is this just an arbitrary decision, in which case the IETF does not look so good.
>
> The closest thing I could guess is effectively duplicating the syntax of NID. There is some logic in that, but it requires explanation and a reason why that would be a good thing.
>
> thanks,
> -rohan
>
> On Thu, 12 Feb 2026, 01:07 Tim Bray, <tbray@textuality.com> wrote:
>
>> On Feb 11, 2026 at 3:56:28 PM, Brent Zundel <brent.zundel=
>> 40yubico.com@dmarc.ietf.org> wrote:
>>
>>> Patrik,
>>>
>>> Thank you for your review.
>>> We have raised a PR in response and invite your comments there:
>>> https://github.com/ietf-wg-spice/draft-ietf-spice-glue-id/pull/60
>>>
>>
>> Very clear. It feels weird to me that we’re specifying ASCII-only
>> identifier systems in 2026, but maybe I’m in the rough on that one. -Tim
>>
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>
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