Re: [sipcore] draft-winterbottom-sipcore-locparam-01.txt and Liaison Statement to IETF on location source parameter

[Christer Holmberg <[e-mail]>]

Hi,

>>>Surely there ought to be some semantics to this. I presume it is to be
>>> an identifier of something, and presumably there then need to be rules
>>> for resolution/comparison/etc.
>>>
>>> Otherwise I could just enter XYZZY.
>> 
>> If usage is confined to a single administrative domain (which is what I
>> think Christer is saying), there don't need to be general semantic
>> rules.  There don't even need to be general syntactic rules.
>
>The usage isn't *restricted* to IMS. It is simply defined with the
>expectation that they are the ones who need it. If others are allowed to
>use it then there need to be some rules to ensure mutual understanding.
>Otherwise this is just using sip to tunnel another protocol.
>
>The advantage of using FQDNs is that there are clear rules for
>assignment of those.

I don¹t think I said ³IMS² :)

But, the draft DOES say that the identifier must only be used within a
trusted domain.

Regards,

Christer