Re: [Enum] IETF, ENUM and NGN

[Jeff Williams <jwkckid1 at ix.netcom.com>]

Marian and all,

Marian Durkovic wrote:

> > AFAICT nobody is suggesting Infrastructure and User ENUM would use the
> > same tree. The constraints and data models for these things are
> > completely different. However some people seem to think that if these
> > two flavours of ENUM use the same domain name, this means they both
> > have to use the same tree with one model for ownership, administration
> > and delegation. That doesn't necessarily follow. What some operator
> > does with its private, internal-use-only version of e164.arpa and how
> > they populate and manage that is nobody else's concern, apart from the
> > usual regulatory issues like universal service obligations, fair
> > competition and so on.
>
> Yes it is - as soon, as you start getting complaints from cutomers of
> this operator like "why did you put into the e164.arpa. records
> which routed me to such expensive path?"
>
> I'd be quite interested what will be your reaction, if someone makes
> a "private" tree overlaying the .UK TLD with any sort of (possibly invalid)
> data.
>
> Generally, using the same domain name for completely different purposes is
> IMHO _very_ bad idea.

 Agreed. However it doesn't matter which or how many domains are used
in the public internet/DNS, exposing any user specific private data is
not necessary for operation, and endangers the user or users.

> There's absolutely no problem to avoid this by
> agreeing on different domain name - and for completely private purposes
> even non-existent TLD like  e164.nxd. could be used which definitely can't
> be reached from the public internet.
>
>         With kind regards,
>
>                 M.
>
> --------------------------------------------------------------------------
> ----                                                                  ----
> ----   Marian Durkovic                       network  manager         ----
> ----                                                                  ----
> ----   Slovak Technical University           Tel: +421 2 524 51 301   ----
> ----   Computer Centre, Nam. Slobody 17      Fax: +421 2 524 94 351   ----
> ----   812 43 Bratislava, Slovak Republic    E-mail/sip: md at bts.sk    ----
> ----                                                                  ----
> --------------------------------------------------------------------------
>
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Regards,

--
Jeffrey A. Williams
Spokesman for INEGroup LLA. - (Over 134k members/stakeholders strong!)
"Be precise in the use of words and expect precision from others" -
    Pierre Abelard

"If the probability be called P; the injury, L; and the burden, B;
liability depends upon whether B is less than L multiplied by
P: i.e., whether B is less than PL."
United States v. Carroll Towing  (159 F.2d 169 [2d Cir. 1947]
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