RE: [Sip] RE: [Geopriv] Consensus on changes to location-conveyance

From: Winterbottom, James ^lt;>
Date: Wed Jul 26 2006 - 21:43:23 EDT


RFC-4119 says "However, the usage of this location object format is not
   limited to presence-using protocols-- any protocol that can carry XML
   or MIME types can carry PIDF."

It seems to me that restricting the allowed schema in what is supposed
to be a location conveyance specification is in opposition to this

-----Original Message-----
From: Andrew Newton []
Sent: Thursday, 27 July 2006 11:36 AM
To: Henning Schulzrinne
Cc:;; Abbott, Nadine B
Subject: Re: [Sip] RE: [Geopriv] Consensus on changes to

I don't think Brian ever proposed ruling out URI schemes. What he
proposed was restricting what can go in it now and a mechanism for
defining future URI schemes that will be allowed. We certainly do
want using protocols passing around PIDF-LOs getting review by GEOPRIV.


On Jul 26, 2006, at 8:33 PM, Henning Schulzrinne wrote:

> On a general note and generalizing a bit on Nadine's message below,
> I find the nanny tone of this discussion a bit peculiar ("No, I
> don't want you to play with that!"). I can see the technical
> rationale for requiring implementation of a limited set of choices
> for interoperability, but proactively ruling out other choices
> seems highly unusual for an IETF protocol spec. It is clear that
> only a relatively small number of people are participating in this
> discussion, so declaring consensus to rule out one URL scheme or
> another as 'evil bits' seems a bit peculiar.
> On Jul 26, 2006, at 2:14 PM, Abbott, Nadine B wrote:
>> I don't agree that there is a consensus to preclude the use of HTTP.
>> I would favor not placing your proposed restriction on the URI scheme
>> for expressing a location reference in the SIP location conveyance
>> draft; or at least including HTTP as a valid location-reference URI
>> type.
>> Regards,
>> Nadine Abbott
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