RE : data point - anonymous E.164 number usage

Dear All, 

I think we should make a difference here. In my opinion, the interest of
validation in ENUM is not to know WHO is owner of an E.164 number or WHO has
the right to use an ENUM domain name. The role of ENUM validation is
primarily the ensure that only the one who has the right to use an E.164
number can use the associated ENUM domain name. Nothing more.

The integrity of the link between an E.164 number and its associated ENUM
domain name is the central point and preserving it does not require the
identification or authentication of the user. 

In my opinion, it is sligthly different from the authentication process in
the mobile prepaid world...

Am I wrong...? 

Best, 

Olivier     

-----Message d'origine-----
De : enum-trials-admin@localhost [
	    
	    
] De la
part de Adrian Georgescu
Envoy� : vendredi, 27. f�vrier 2004 10:03
� : James Seng
Cc : enum-l@localhost enum-trials@localhost enum-trial@localhost
Objet : Re: data point - anonymous E.164 number usage


James,

The point is that before a model of authentication and authorization is 
designed for a specific market, it is advisable to take a look out 
there "in the real world" to see if or to which extent the effort is 
justified. Otherwise, we could delay or block the introduction of a new 
technology just because paper-work requires effort which does not 
compensate what the end service delivers (cost > benefit).

Adrian

On 27 Feb 2004, at 01:16, James Seng wrote:

> And the point is?...
>
> Michael Haberler wrote:
>> In the context of validation of numbers for ENUM, I have tried to
>> estimate the amount of mobile users which have totally anonymously 
>> bought a prepaid SIM card, or in other words, users of E.164 numbers 
>> which have no trace at all in a phonebook or other records.
>> In the EU, all countries except Germany, Hungary and Italy permit 
>> totally anonymous purchase of prepaid SIM cards. This indicates that 
>> about 65% of the EU population have access to anonymous mobile 
>> service (even in Italy, just a taxpayer code is needed which is not 
>> subscriber data but allows to track down a user for law enforcement - 
>> but lets leave that out for the sake of argument; in France I 
>> understand a record is made for purposes of recovering a lost SIM 
>> card but not for proof of identity).
>> There are about 400 Million mobile users in Europe, and penetration 
>> of prepaid is about 40%. Assuming that nobody registers if he doesnt 
>> have to, and multiplying those figures a ballpark estimate is that 
>> *there are about 100 Million E.164 numbers in use in Europe without 
>> any subscriber data just through the use of prepaid SIM cards.
>> *-Michael
>