Thank you for taking the initiate to post this, Eran.  And thank you,
Hannes, for the detailed and actionable reply.

If Eran is willing/able to do #1 & #2, I'd be more than happy to do #3.

On Sat, Jul 9, 2011 at 10:40 AM, Hannes Tschofenig
<hannes.tschofe...@gmx.net> wrote:
> Hi Eran,
>
> http://oauth.net/grant_type/saml/2.0/bearer is definitely not a good idea 
> since a lookup would not return anything useful (most likely it will just 
> fail).
> Whenever there is something that can be looked up, it will be looked up .
>
> I would create an IETF URN Sub-namespace, as documented in RFC 3553. An 
> example of such a sub-namespace is xml and described in RFC 3688.
> So, one could define a new 'oauth' sub-namespace. This would then look like 
> urn:ietf:params:oauth. Then, OAuth relevant parameters would be established 
> underneath it.
>
> To get this done three things are needed:
>
> 1) Text that requests the oauth sub-namespace text
> This text has to go into draft-ietf-oauth-v2.
>
> 2) Text that defines how values are added to this new registry
> This text has to go into draft-ietf-oauth-v2.
>
> 3) Text that registers already defined values.
> This text would go into draft-ietf-oauth-saml2-bearer following the template 
> created with (2).
>
> Regarding (1), example text could look like:
>
> ---------
>
> IETF URN Sub-namespace Registration urn:ietf:params:oauth
>
>   Per [RFC3553], IANA is requested to establish the following registry.  New 
> entries
>   to the registry are Specification Required.
>
>   Registry name: urn:ietf:params:oauth
>
>   Specification:  Section X of this document contains the registry 
> specification.
>
>   Repository: To be assigned according to the guidelines found above.
>
>   Index value: The class name
>
> ---------
>
> Regarding (2), example text could look like:
>
> ---------
>
> Section X: Registration Template for Sub-Namspace Registration of 
> urn:ietf:params:oauth
>
>   If the registrant wishes to
>   have a URI assigned, then a URN of the form
>
>      urn:ietf:params:oauth:<class>:<id>
>
>   will be assigned where <class> is the category of the parameters being 
> registered.  <id> is a unique id generated by the IANA
>   based on any means the IANA deems necessary to maintain uniqueness
>   and persistence.  NOTE: in order for a URN of this type to be
>   assigned, the item being registered MUST be documented
>   in a RFC.  The RFC 3553 [RFC3553] URN registration template is found
>   in the IANA consideration section of this document.
>
>   The registration procedure for new entries to the requires a request in the 
> form of the following template:
>
>   URN:
>      The token URI that identifies the registerd component. If
>      the registrant is requesting that the IANA assign a URI then this
>      field should be specified as "please assign".
>
>   Common Name:
>      The name by which the functionality being registered is generally 
> referred.
>
>   Registrant Contact:
>      The individual/organization that is the registration contact for
>      the component being registered.  Ideally, this will be the name
>      and pertinent physical and network contact information.  In the
>      case of IETF developed standards, the Registrant will be the IESG.
>
>   Description:
>      Information about the registered functionality.
>
>
> ---------
>
> Regarding (3), example text could look like:
>
> ---------
>
> Sub-Namspace Registration of urn:ietf:params:oauth:grant-type:saml2-bearer
>
> This is a request to IANA to please register the value 
> grant-type:saml2-bearer in the registry urn:ietf:params:oauth established in 
> [draft-ietf-oauth-v2].
>
>   URN: urn:ietf:params:oauth:grant-type:saml2-bearer
>
>   Common Name: SAML 2.0 Bearer Assertion Grant Type Profile for OAuth 2.0
>
>   Registrant Contact: IESG
>
>   Description: [[this document]]
>
> ---------
>
> Other grant types would then go in 
> urn:ietf:params:oauth:grant-type:saml2-holder-of-the-key
> Other OAuth related parameters then go under urn:ietf:params:oauth:foobar
>
> Ciao
> Hannes
>
>
> On Jul 9, 2011, at 6:17 PM, Eran Hammer-Lahav wrote:
>
>> The OAuth WG is looking for assistance from the application area community.
>>
>> OAuth 2.0 [1] defines a URI-namespaced method for defining extension grant 
>> types[2]. The first specification to use this method needs to pick a URI 
>> identifier for using SAML assertions [3]. Options proposed:
>>
>> urn:oasis:names:tc:SAML:2.0:assertion
>> urn:ietf:wg:oauth:2.0:grant_type:saml:2.0:bearer
>> http://oauth.net/grant_type/saml/2.0/bearer
>>
>> Is there a BCP established for this? We need to pick a value quickly and 
>> move on.
>>
>> EHL
>>
>> [1] http://tools.ietf.org/html/draft-ietf-oauth-v2-18
>> [2] http://tools.ietf.org/html/draft-ietf-oauth-v2-18#section-8.3
>> [3] http://tools.ietf.org/html/draft-ietf-oauth-saml2-bearer-04
>>
>> _______________________________________________
>> OAuth mailing list
>> OAuth@ietf.org
>> https://www.ietf.org/mailman/listinfo/oauth
>
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>
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