Re: [VIPR] Fwd: I-D Action: draft-petithuguenin-vipr-pvp-03.txt

If an x- method turns out to be a great thing, how does it migrate to being a non x- ?

On Feb 13, 2012, at 12:46 PM, Marc Petit-Huguenin wrote:

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> Instead of trying to fix everything at the same time, I decided to release
> incremental modifications of the VIPR specs.
> 
> This new version of -vipr-pvp adds some text establishing the IANA registry
> for PVP methods, as was agreed (section 11).  Some details I added since the
> last time we talked about this:
> 
> - - Private methods start with "p-" and cannot be used between domains[1].
> - - Experimental methods start with "x-" and the reversed domain.  Experimental
> methods may be registered by IANA.
> - - The algorithm to assign priority is to use the median between the next
> method and the previous method to try.  This means that method "a" has a
> priority of 0, method "b" has a priority of -16384 ((-32768 + 0) / 2), and
> method "c" will have a priority of 16383 ((0 + 32767) / 2) if we decide that
> it should be tried before method "a" or -8192 ((-16384 + 0) / 2) if we decide
> to try it after method "a".
> - - Multiple methods can have the same priority (I think that we talked about
> this in Taipei).
> 
> Comments, questions, suggestions welcome.
> 
> Thanks.
> 
> 
> [1] The reversed domain name is mandatory for private method, which does not
> make sense.  This will be fixed in the next version.
> 
> - -------- Original Message --------
> Subject: I-D Action: draft-petithuguenin-vipr-pvp-03.txt
> Date: Mon, 13 Feb 2012 11:30:14 -0800
> From: internet-drafts@ietf.org
> Reply-To: internet-drafts@ietf.org
> To: i-d-announce@ietf.org
> 
> 
> A New Internet-Draft is available from the on-line Internet-Drafts directories.
> 
> 	Title           : The Public Switched Telephone Network (PSTN) Validation
> Protocol (PVP)
> 	Author(s)       : Marc Petit-Huguenin
>                          Jonathan Rosenberg
>                          Cullen Jennings
> 	Filename        : draft-petithuguenin-vipr-pvp-03.txt
> 	Pages           : 31
> 	Date            : 2012-02-13
> 
>   One of the main challenges in inter-domain federation of Session
>   Initiation Protocol (SIP) calls is that many domains continue to
>   utilize phone numbers, and not email-style SIP URI.  Consequently, a
>   mechanism is needed that enables secure mappings from phone numbers
>   to domains.  The main technical challenge in doing this securely is
>   to verify that the domain in question truly is the "owner" of the
>   phone number.  This specification defines the PSTN Validation
>   Protocol (PVP), which can be used by a domain to verify this
>   ownership by means of a forward routability check in the PSTN.
> 
> 
> A URL for this Internet-Draft is:
> http://www.ietf.org/internet-drafts/draft-petithuguenin-vipr-pvp-03.txt
> 
> Internet-Drafts are also available by anonymous FTP at:
> ftp://ftp.ietf.org/internet-drafts/
> 
> This Internet-Draft can be retrieved at:
> ftp://ftp.ietf.org/internet-drafts/draft-petithuguenin-vipr-pvp-03.txt
> 
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