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Re: [Rats] Profile identifier (was Re: EAT Profiles)

"Smith, Ned" <ned.smith@intel.com> Tue, 20 September 2022 21:26 UTC

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From: "Smith, Ned" <ned.smith@intel.com>
To: Laurence Lundblade <lgl@island-resort.com>, Henk Birkholz <henk.birkholz@sit.fraunhofer.de>
CC: Thomas Fossati <tho.ietf@gmail.com>, Hannes Tschofenig <Hannes.Tschofenig@arm.com>, Michael Richardson <mcr+ietf@sandelman.ca>, "rats@ietf.org" <rats@ietf.org>
Thread-Topic: [Rats] Profile identifier (was Re: EAT Profiles)
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Date: Tue, 20 Sep 2022 21:26:41 +0000
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Subject: Re: [Rats] Profile identifier (was Re: EAT Profiles)
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@Laurence Lundblade<mailto:lgl@island-resort.com> What semantics are associated with a profile that appears on an IANA registry?

From: RATS <rats-bounces@ietf.org> on behalf of Laurence Lundblade <lgl@island-resort.com>
Date: Tuesday, September 20, 2022 at 1:09 PM
To: Henk Berkholz <henk.birkholz@sit.fraunhofer.de>
Cc: Thomas Fossati <tho.ietf@gmail.com>, Hannes Tschofenig <Hannes.Tschofenig@arm.com>, Michael Richardson <mcr+ietf@sandelman.ca>, "rats@ietf.org" <rats@ietf.org>
Subject: [Rats] Profile identifier (was Re: EAT Profiles)

Here’s 3 ways to identify a profile. The first two are in EAT now. The last is not.

1) OID
2) URI
3) IANA first-come-first-served integer. No text strings, just a simple monotonic integer, 0, 1, 2, 3, 4… A URI can be associated with the integer if the profile is published, but it isn’t required.

We can do any combo of the above (e.g., what’s in the doc now, just 2 and 3,…). I don’t have a strong opinion, but just 3 seems in the spirit of being small and simple to me.

The two issues with 3) I can see are:
- Is it OK to consume more IANA resources here? I assume yes. It’s kind of their job and it isn’t hard to do this
- The profile was pre-allocated by IANA as OID and URI and there probably some implementations

LL




On Sep 19, 2022, at 9:51 AM, Henk Birkholz <henk.birkholz@sit.fraunhofer.de<mailto:henk.birkholz@sit.fraunhofer.de>> wrote:

If it has to be specified in a stable document anyways, I cannot fathom the need for a URI. Just do a number and go to IANA?

On 19.09.22 17:42, Thomas Fossati wrote:

hi Henk,
On Mon, Sep 19, 2022 at 1:04 PM Henk Birkholz <henk.birkholz@sit.fraunhofer.de<mailto:henk.birkholz@sit.fraunhofer.de> <mailto:henk.birkholz@sit.fraunhofer.de>> wrote:
    >      > * Would it be useful to reference profiles by number
   (rather than
    >      > URLs)? Probably so.
    >
    > It seems like we ought to have an optional registry, and if
   someone wants to use a URI, then fine.
   Not sure on the URI part really, but if there is enough support for
   it... How would EAT ensure interoperability, if we allow for 'any
   URI as
   profile identifier' use outside the 'custom/local/experimental' scope?
   Or would that automatically imply that scope?
I wouldn't be worried about that.  EAT profiles need to be specified in a stable document.  The visibility of that document is what determines the reach and interoperability of that profile.  A profile ID (URL or else) is an identifier for the document.
cheers,
--
Thomas

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