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RE: draft-ietf-geopriv-radius-lo-01.txt - CDMA operator-name prefix

These codes are being normatively referenced in an IETF standard.
It is very unusual for the IETF to reference in such a fashion a document that is not publicly and freely available. The IETF is not usually interested in defining a name space that can only be referenced and understood by a proprietary community. (Being assigned by a specific community is fine, and in fact frequently necessary for name spaces.)

This leads to several obvious questions:
1) Is there actually a need for any name spaces other than realm? All CDMA and GSM operators have dedicated names suitable for use as REALMS.
2) If it is important to use other name spaces, then an explanation of why it is needed ought to be included. And the community that wants their name space useable ought to make their registry publicly readable.
3) At the very least, it is necessary to explicitly and normatively reference the GSM Association Permanent Reference Document.

Yours,
Joel M. Halpern

At 01:37 AM 11/25/2004, jouni.korhonen@teliasonera.com wrote: 
> I did some further digging... there *is* a TADIG naming system
> for all operators, see:
>
>    http://www.gsmworld.com/about/structure/tadig.shtml
>
> Its defined by GSMA. But I'm still searching for a good reference
> that could be put to the document, however.

The TADIG code (for GSM: prefix) mentioned in the current draft
is defined in GSM Association Permanent Reference Document TD.13.
(GSMA PRD TD.13).

"The TADIG Code shall consist of 2 fields, with a total length
 of 5 characters consisting of a 3-character country code and a
 2-character operator (or company) ID."

The code is available for anyone for 100£ yearly fee. 


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