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From: Anders Rundgren <anders.rundgren.net@gmail.com>
Date: Fri, 5 May 2023 10:17:58 +0200
Message-ID: <CADEL5zsbMMm8fUiC2j6UTyHXc0aJnGjcxrv0W69NCT3R50uS0A@mail.gmail.com>
To: Carsten Bormann <cabo@tzi.org>
Cc: cbor@ietf.org
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Subject: Re: [Cbor] Status of Appendix A in RFC 8949
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for dCBOR....

On Fri, May 5, 2023, 09:43 Carsten Bormann <cabo@tzi.org> wrote:

> On 2023-05-05, at 09:27, Anders Rundgren <anders.rundgren.net@gmail.com>
> wrote:
> >
> > https://cbor.me produces CBOR data items like 0xf9c400 that are
> rejected by applications building on
> https://www.ietf.org/archive/id/draft-mcnally-deterministic-cbor-01.html#=
name-reduction-of-floating-point
>
> I think that for any application, you can find things that you can type
> into cbor.me that this application will reject.
>
> > Still both solutions claim to be RFC compliant.
>
> The RFC does not cover applications.  Not encoding integral floating poin=
t
> numbers is, from a CBOR point of view, an application rule.
>
> > So the question is simply: is a CBOR interoperability profile a suitabl=
e
> work item for the CBOR WG, or should it preferably be taken to OASIS, ETS=
I,
> or the W3C?
>
> Now you are starting to make thinly vailed threats.
> I will not respond to those.
>
> I have been quite receptive for picking up the application rules in
> draft-mcnally-deterministic-cbor as a CBOR work item.
> You just need to stop thinking of them as changing CBOR.
>
> > The target for an interoperability profile are the 80-90% of all
> developers working with enterprise systems as well as open standards for
> banking and similar.
>
> The point here is =E2=80=9Can interoperability profile=E2=80=9D.
> You could define many, and defining one for fintech etc. is fine =E2=80=
=94 it just
> isn=E2=80=99t a =E2=80=9CCBOR interoperability profile=E2=80=9D, but a =
=E2=80=9Chow is our specific set of
> applications going to use CBOR=E2=80=9D profile.
>
> Gr=C3=BC=C3=9Fe, Carsten
>
>

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<div dir=3D"auto">for dCBOR....</div><br><div class=3D"gmail_quote"><div di=
r=3D"ltr" class=3D"gmail_attr">On Fri, May 5, 2023, 09:43 Carsten Bormann &=
lt;<a href=3D"mailto:cabo@tzi.org">cabo@tzi.org</a>&gt; wrote:<br></div><bl=
ockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #=
ccc solid;padding-left:1ex">On 2023-05-05, at 09:27, Anders Rundgren &lt;<a=
 href=3D"mailto:anders.rundgren.net@gmail.com" target=3D"_blank" rel=3D"nor=
eferrer">anders.rundgren.net@gmail.com</a>&gt; wrote:<br>
&gt; <br>
&gt; <a href=3D"https://cbor.me" rel=3D"noreferrer noreferrer" target=3D"_b=
lank">https://cbor.me</a> produces CBOR data items like 0xf9c400 that are r=
ejected by applications building on <a href=3D"https://www.ietf.org/archive=
/id/draft-mcnally-deterministic-cbor-01.html#name-reduction-of-floating-poi=
nt" rel=3D"noreferrer noreferrer" target=3D"_blank">https://www.ietf.org/ar=
chive/id/draft-mcnally-deterministic-cbor-01.html#name-reduction-of-floatin=
g-point</a><br>
<br>
I think that for any application, you can find things that you can type int=
o <a href=3D"http://cbor.me" rel=3D"noreferrer noreferrer" target=3D"_blank=
">cbor.me</a> that this application will reject.<br>
<br>
&gt; Still both solutions claim to be RFC compliant.<br>
<br>
The RFC does not cover applications.=C2=A0 Not encoding integral floating p=
oint numbers is, from a CBOR point of view, an application rule.<br>
<br>
&gt; So the question is simply: is a CBOR interoperability profile a suitab=
le work item for the CBOR WG, or should it preferably be taken to OASIS, ET=
SI, or the W3C?<br>
<br>
Now you are starting to make thinly vailed threats.<br>
I will not respond to those.<br>
<br>
I have been quite receptive for picking up the application rules in draft-m=
cnally-deterministic-cbor as a CBOR work item.=C2=A0 <br>
You just need to stop thinking of them as changing CBOR.<br>
<br>
&gt; The target for an interoperability profile are the 80-90% of all devel=
opers working with enterprise systems as well as open standards for banking=
 and similar.<br>
<br>
The point here is =E2=80=9Can interoperability profile=E2=80=9D.=C2=A0 <br>
You could define many, and defining one for fintech etc. is fine =E2=80=94 =
it just isn=E2=80=99t a =E2=80=9CCBOR interoperability profile=E2=80=9D, bu=
t a =E2=80=9Chow is our specific set of applications going to use CBOR=E2=
=80=9D profile.<br>
<br>
Gr=C3=BC=C3=9Fe, Carsten<br>
<br>
</blockquote></div>

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