Hi Bill-- In incorporating OAuth into several of the UMA flows, we found a need 
for the authorization server to provide OAuth-related metadata along with 
UMA-specific metadata. Originally it was strictly XRD- and hostmeta-based, but 
now uses a JSON format and is more akin to OpenID Connect's metadata in style: 

http://docs.kantarainitiative.org/uma/draft-uma-core.html#am-endpoints

Do you feel that this new draft is something that ultimately *should* replace 
the OAuth-specific parts of the metadata we've spec'd out for our use case? 
Note that we went beyond just the two endpoints, also covering a feature toggle 
for "dynamic_client_registration_supported" and lists of 
"oauth_token_profiles_supported" and "oauth_grant_types_supported". The purpose 
in doing this was to provide a machine-readable mechanism for aiding 
OAuth-level interop.

Thanks,

        Eve

On 13 Jun 2012, at 11:19 AM, William Mills wrote:

> On the informational status, that seemed right, but I honestly don't know 
> what the correct choice is here.   The actual registration happens via e-mail 
> I believe, not via this document.
> 
> Thanks for the feedback!
> 
> -bill
> 
> 
> 
> ----- Original Message -----
>> From: Goix Laurent Walter <laurentwalter.g...@telecomitalia.it>
>> To: Peter Saint-Andre <stpe...@stpeter.im>; William Mills 
>> <wmi...@yahoo-inc.com>
>> Cc: O Auth WG <oauth@ietf.org>; Apps Discuss <apps-disc...@ietf.org>
>> Sent: Wednesday, June 13, 2012 9:44 AM
>> Subject: R: [apps-discuss] [OAUTH-WG] OAuth discovery registration.
>> 
>> T hank you William for this initiative.
>> 
>> I had similar concerns than Peter on authn vs authz.
>> 
>> Under section 4.1.1 I would suggest to use "oauth2-authorize" instead 
>> of "oauth2-authenticator", to be consistent with the 
>> "oauth2-token" pattern and with the concepts of the oauth2 draft.
>> 
>> The header of the pages still reference sasl/gss-api and would need to be 
>> updated.
>> 
>> Also, an example and/or use case section could be beneficial, e.g. to 
>> describe 
>> its usage in an xrd document. Other use cases may be mentioned as well 
>> probably.
>> 
>> I have also noticed that your draft is mentioned as "informational". 
>> It is indeed your target or only a typo?
>> 
>> Thanks
>> walter
>> 
>>> -----Messaggio originale-----
>>> Da: apps-discuss-boun...@ietf.org [mailto:apps-discuss-boun...@ietf.org] 
>> Per
>>> conto di Peter Saint-Andre
>>> Inviato: mercoledì 13 giugno 2012 17.48
>>> A: William Mills
>>> Cc: O Auth WG; Apps Discuss
>>> Oggetto: Re: [apps-discuss] [OAUTH-WG] OAuth discovery registration.
>>> 
>>> On 6/13/12 9:27 AM, William Mills wrote:
>>>> 
>>>> Since for the OAUTH SASL mechanism I need discovery for clients to
>>>> work, and I had to rip the in-band discovery out of that mechanism,
>>>> and I need it defined somewhere, I've drafted a small doc for the
>>>> registration of link relation types for OAuth.  It's too late in 
>> the
>>>> process to get this into the core OAuth 2 spec, and it doesn't 
>> really
>>>> fit in the WebFinger. Submission info provided below.
>>> 
>>> Hi Bill, overall this looks good. A few nits:
>>> 
>>> OLD
>>>     This document defines the LRDD [RFC5988] link type registrations for
>>>     the OAuth [I-D.ietf-oauth-v2] authentication framework.  These link
>>>     types are used during the endpoint discovery process using Web Host
>>>     Metadata [I-D.hammer-hostmeta] and Webfinger
>>>     [I-D.jones-appsawg-webfinger] by clients needing to discover the
>>>     authentication endpoints for a service or site.  It additionally
>>>     defines link type registrations for OAuth 1.0a [RFC5849].
>>> 
>>> NEW
>>>     This document defines the Link-based Resource Descriptor
>>>     Documents (LRDD) [RFC6415] link type registrations for the
>>>     OAuth [I-D.ietf-oauth-v2] authorization framework.  These link
>>>     types are used during the endpoint discovery process using Web
>>>     Host Metadata [RFC6415] and Webfinger
>>>     [I-D.jones-appsawg-webfinger] by clients needing to discover the
>>>     authorization, token, and access token endpoints for an OAuth2
>>>     service or site.  It additionally defines link type registrations for
>>> OAuth
>>>     1.0a [RFC5849] request initiation endpoints, authorization endpoints,
>>>     and token endpoints.
>>> 
>>> In Section 4.1.1, you register an "OAuth 2 Authentication 
>> Endpoint",
>>> however draft-ietf-oauth-v2 defines only an authorization endpoint, a
>>> token endpoint, and an access token endpoint. Whence this
>>> "authentication endpoint"? Is it just a typo?
>>> 
>>> Also, is the lack of a link type for OAuth2 access token endpoints an
>>> oversight? It seems so.
>>> 
>>> You have "Reference: [[this document]]" but I think you want:
>>> 
>>> Reference: draft-ietf-oauth-v2
>>> 
>>> and
>>> 
>>> Reference: RFC 5849
>>> 
>>> You can remove the reference for draft-hammer-hostmeta (RFC 6415 has
>>> what you need).
>>> 
>>> Peter
>>> 
>>> --
>>> Peter Saint-Andre
>>> https://stpeter.im/
>>> 
>>> 
>>> 
>>> 
>>> _______________________________________________
>>> apps-discuss mailing list
>>> apps-disc...@ietf.org
>>> https://www.ietf.org/mailman/listinfo/apps-discuss
>> 
>> Questo messaggio e i suoi allegati sono indirizzati esclusivamente alle 
>> persone 
>> indicate. La diffusione, copia o qualsiasi altra azione derivante dalla 
>> conoscenza di queste informazioni sono rigorosamente vietate. Qualora 
>> abbiate 
>> ricevuto questo documento per errore siete cortesemente pregati di darne 
>> immediata comunicazione al mittente e di provvedere alla sua distruzione, 
>> Grazie.
>> 
>> This e-mail and any attachments is confidential and may contain privileged 
>> information intended for the addressee(s) only. Dissemination, copying, 
>> printing 
>> or use by anybody else is unauthorised. If you are not the intended 
>> recipient, 
>> please delete this message and any attachments and advise the sender by 
>> return 
>> e-mail, Thanks.
>> 
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> 


Eve Maler                                  http://www.xmlgrrl.com/blog
+1 425 345 6756                         http://www.twitter.com/xmlgrrl


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