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Re: [Rats] Where does a EAT end? (was: Re: WGLC for https://datatracker.ietf.org/doc/html/draft-ietf-rats-eat)

Thomas Fossati <Thomas.Fossati@arm.com> Thu, 02 June 2022 13:13 UTC

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From: Thomas Fossati <Thomas.Fossati@arm.com>
To: Giridhar Mandyam <mandyam@qti.qualcomm.com>, "rats@ietf.org" <rats@ietf.org>
Thread-Topic: [Rats] Where does a EAT end? (was: Re: WGLC for https://datatracker.ietf.org/doc/html/draft-ietf-rats-eat)
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Archived-At: <https://mailarchive.ietf.org/arch/msg/rats/w6WDfTi5ofcUJc6u9emQEyekmwM>
Subject: Re: [Rats] Where does a EAT end? (was: Re: WGLC for https://datatracker.ietf.org/doc/html/draft-ietf-rats-eat)
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> Giridhar Mandyam <mandyam@qti.qualcomm.com> wrote:
> I think the underlying data structures make it extensible, independent
> of the CDDL notation.  However if an implementor chooses to extend EAT
> without an accompanying standard as a result, then interoperability
> may not be assured.  Therefore it is in an implementor’s interest to
> define a standard if they are seeking interop.

The core difference is the extensibility story for the claims-set is
governed by the CWT Claims registry, whilst the EAT type system has no
such mechanism (yet).




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