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From: Francesca Palombini <francesca.palombini@ericsson.com>
To: Brian Campbell <bcampbell@pingidentity.com>, Warren Parad
 <wparad@rhosys.ch>
CC: The IESG <iesg@ietf.org>, "oauth@ietf.org" <oauth@ietf.org>,
 "draft-ietf-oauth-iss-auth-resp@ietf.org"
 <draft-ietf-oauth-iss-auth-resp@ietf.org>, "oauth-chairs@ietf.org"
 <oauth-chairs@ietf.org>
Thread-Topic: [OAUTH-WG] Francesca Palombini's Discuss on
 draft-ietf-oauth-iss-auth-resp-03: (with DISCUSS)
Thread-Index: AQHX5Wca5efn0JJBwkm58DRedf5tXawcZj2AgAACJsU=
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Archived-At: <https://mailarchive.ietf.org/arch/msg/oauth/LnQf0Ewk56XWJxJAighwfgzUntw>
Subject: Re: [OAUTH-WG] Francesca Palombini's Discuss on
 draft-ietf-oauth-iss-auth-resp-03: (with DISCUSS)
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Hi Warren, Brian,

Thanks for your feedback, and for confirming that the semantics of the exis=
ting =93iss=94 match those of the draft. In that case, I agree with you tha=
t the best resolution is to merge the two (so =96 update the existing regis=
tration so that it also points to this document, and indicates it can also =
appear in the authorization response).

I=92ll remove my DISCUSS when the IANA update is done.

Thanks,
Francesca

From: Brian Campbell <bcampbell@pingidentity.com>
Date: Tuesday, 30 November 2021 at 19:32
To: Francesca Palombini <francesca.palombini@ericsson.com>
Cc: The IESG <iesg@ietf.org>, oauth@ietf.org <oauth@ietf.org>, draft-ietf-o=
auth-iss-auth-resp@ietf.org <draft-ietf-oauth-iss-auth-resp@ietf.org>, oaut=
h-chairs@ietf.org <oauth-chairs@ietf.org>
Subject: Re: [OAUTH-WG] Francesca Palombini's Discuss on draft-ietf-oauth-i=
ss-auth-resp-03: (with DISCUSS)
I strongly believe the use of 'iss' as the parameter name here is correct a=
nd appropriate. This draft isn't using it for something different - the par=
ameter carries an identifier for the sender of the message, which is consis=
tent in the context of use with the existing registry entry.

Codifying the parameter name is central to the value of this draft and ther=
e are existing implementations/deployments using it. Changing the name now =
would be a breaking change with significant ramifications on interoperabili=
ty.

The organization of the registry is arguably less than ideal, yes. But that=
 shouldn't force an unnecessary and costly change onto this simple draft th=
at's addressing a real need. This draft should update the existing entry fo=
r 'iss' rather than replace it.

On Mon, Nov 29, 2021 at 2:21 PM Francesca Palombini via Datatracker <norepl=
y@ietf.org<mailto:noreply@ietf.org>> wrote:
Francesca Palombini has entered the following ballot position for
draft-ietf-oauth-iss-auth-resp-03: Discuss

When responding, please keep the subject line intact and reply to all
email addresses included in the To and CC lines. (Feel free to cut this
introductory paragraph, however.)


Please refer to https://www.ietf.org/blog/handling-iesg-ballot-positions/
for more information about how to handle DISCUSS and COMMENT positions.


The document, along with other ballot positions, can be found here:
https://datatracker.ietf.org/doc/draft-ietf-oauth-iss-auth-resp/



----------------------------------------------------------------------
DISCUSS:
----------------------------------------------------------------------

Thank you for the work on this document.

Many thanks to Julian Reschke for the ART ART review:
https://mailarchive.ietf.org/arch/msg/art/XfLbtK1eLb7s0Z6e_AqGgkoWny0/.

I have one DISCUSS point that has to do with IANA considerations, and is
hopefully easy to resolve.

Francesca

1. -----

FP: I am sure the Designated Expert will bring this up, but "iss" is alread=
y
defined as a OAuth Parameter, for authorization requests. I don't think it'=
s a
good idea to use the same parameter name, although in a different message o=
f
the exchange, for something different, as the registration defined in Secti=
on
5.2 seems to imply. I strongly recommend to change the name in this documen=
t.
Or, if we can agree that the meaning is similar enough to the original "iss=
",
merge the two IANA registrations (this would not be my preferred choice).





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<p class=3D"MsoNormal"><span style=3D"mso-fareast-language:EN-US">Hi Warren=
, Brian,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"mso-fareast-language:EN-US"><o:p>&nbs=
p;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"mso-fareast-language:EN-US">Thanks fo=
r your feedback, and for confirming that the semantics of the existing =93i=
ss=94 match those of the draft. In that case, I agree with you that the bes=
t resolution is to merge the two (so =96 update
 the existing registration so that it also points to this document, and ind=
icates it can also appear in the authorization response).
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"mso-fareast-language:EN-US"><o:p>&nbs=
p;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"mso-fareast-language:EN-US">I=92ll re=
move my DISCUSS when the IANA update is done.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"mso-fareast-language:EN-US"><o:p>&nbs=
p;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"mso-fareast-language:EN-US">Thanks,<b=
r>
Francesca <o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"mso-fareast-language:EN-US"><o:p>&nbs=
p;</o:p></span></p>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:0cm;margin-right:0cm;mar=
gin-bottom:12.0pt;margin-left:36.0pt">
<b><span style=3D"font-size:12.0pt;color:black">From: </span></b><span styl=
e=3D"font-size:12.0pt;color:black">Brian Campbell &lt;bcampbell@pingidentit=
y.com&gt;<br>
<b>Date: </b>Tuesday, 30 November 2021 at 19:32<br>
<b>To: </b>Francesca Palombini &lt;francesca.palombini@ericsson.com&gt;<br>
<b>Cc: </b>The IESG &lt;iesg@ietf.org&gt;, oauth@ietf.org &lt;oauth@ietf.or=
g&gt;, draft-ietf-oauth-iss-auth-resp@ietf.org &lt;draft-ietf-oauth-iss-aut=
h-resp@ietf.org&gt;, oauth-chairs@ietf.org &lt;oauth-chairs@ietf.org&gt;<br=
>
<b>Subject: </b>Re: [OAUTH-WG] Francesca Palombini's Discuss on draft-ietf-=
oauth-iss-auth-resp-03: (with DISCUSS)<o:p></o:p></span></p>
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:36.0pt">I strongly believe the =
use of 'iss' as the parameter name here is correct and appropriate. This dr=
aft isn't using it for something different - the parameter carries an ident=
ifier for the sender of the message,
 which is consistent in the context of use with the existing registry entry=
.&nbsp;<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:36.0pt"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:36.0pt">Codifying the parameter=
 name is central to the value of this draft and there are existing implemen=
tations/deployments using it. Changing the name now would be a breaking cha=
nge with significant ramifications on
 interoperability. <o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:36.0pt"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:36.0pt">The organization of the=
 registry is arguably less than ideal, yes. But that shouldn't force an unn=
ecessary and costly change onto this simple draft that's addressing a real =
need. This draft should update the existing
 entry for 'iss' rather than replace it. <o:p></o:p></p>
</div>
</div>
<p class=3D"MsoNormal" style=3D"margin-left:36.0pt"><o:p>&nbsp;</o:p></p>
<div>
<div>
<p class=3D"MsoNormal" style=3D"margin-left:36.0pt">On Mon, Nov 29, 2021 at=
 2:21 PM Francesca Palombini via Datatracker &lt;<a href=3D"mailto:noreply@=
ietf.org">noreply@ietf.org</a>&gt; wrote:<o:p></o:p></p>
</div>
<blockquote style=3D"border:none;border-left:solid #CCCCCC 1.0pt;padding:0c=
m 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm">
<p class=3D"MsoNormal" style=3D"margin-left:36.0pt">Francesca Palombini has=
 entered the following ballot position for<br>
draft-ietf-oauth-iss-auth-resp-03: Discuss<br>
<br>
When responding, please keep the subject line intact and reply to all<br>
email addresses included in the To and CC lines. (Feel free to cut this<br>
introductory paragraph, however.)<br>
<br>
<br>
Please refer to <a href=3D"https://www.ietf.org/blog/handling-iesg-ballot-p=
ositions/" target=3D"_blank">
https://www.ietf.org/blog/handling-iesg-ballot-positions/</a><br>
for more information about how to handle DISCUSS and COMMENT positions.<br>
<br>
<br>
The document, along with other ballot positions, can be found here:<br>
<a href=3D"https://datatracker.ietf.org/doc/draft-ietf-oauth-iss-auth-resp/=
" target=3D"_blank">https://datatracker.ietf.org/doc/draft-ietf-oauth-iss-a=
uth-resp/</a><br>
<br>
<br>
<br>
----------------------------------------------------------------------<br>
DISCUSS:<br>
----------------------------------------------------------------------<br>
<br>
Thank you for the work on this document.<br>
<br>
Many thanks to Julian Reschke for the ART ART review:<br>
<a href=3D"https://mailarchive.ietf.org/arch/msg/art/XfLbtK1eLb7s0Z6e_AqGgk=
oWny0/" target=3D"_blank">https://mailarchive.ietf.org/arch/msg/art/XfLbtK1=
eLb7s0Z6e_AqGgkoWny0/</a>.<br>
<br>
I have one DISCUSS point that has to do with IANA considerations, and is<br=
>
hopefully easy to resolve.<br>
<br>
Francesca<br>
<br>
1. -----<br>
<br>
FP: I am sure the Designated Expert will bring this up, but &quot;iss&quot;=
 is already<br>
defined as a OAuth Parameter, for authorization requests. I don't think it'=
s a<br>
good idea to use the same parameter name, although in a different message o=
f<br>
the exchange, for something different, as the registration defined in Secti=
on<br>
5.2 seems to imply. I strongly recommend to change the name in this documen=
t.<br>
Or, if we can agree that the meaning is similar enough to the original &quo=
t;iss&quot;,<br>
merge the two IANA registrations (this would not be my preferred choice).<b=
r>
<br>
<br>
<br>
<br>
<br>
_______________________________________________<br>
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ttps://www.ietf.org/mailman/listinfo/oauth</a><o:p></o:p></p>
</blockquote>
</div>
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