At 11:57 AM -0800 2007/2/21, Brad Templeton wrote:
On Tue, Feb 20, 2007 at 12:08:15PM -0700, Natambu Obleton wrote:
Why not make it like DNS and have each provider have their lookups
deligated to a local server and then each ISP will run a caching
server that will use a serial number system to get updates.. just like
DNS.
I know there are lot more DNS lookups then CNAM lookups per hour...
isn't there? :)
Hey, we could even build a system where DNS can be used to take any
phone number and look up data about it, not just a name, but even
a URI to redirect calls to for it, a source of presence info and
more.
What a great idea! Unfortunately, since phone numbers are
believed to be owned by telcos and not by individuals, such
a system would probably make the mistake of delegating control
over the numbers to the telcos, who would feel no particular
motive to help people bypass what they sell, and so I predict
it will languish for a long time with no real deployment in the
USA.
:-)
Yeah, late reply here.
If ENUM were viable, this concept already exists for the most part,
at least in draft form:
http://www.ietf.org/internet-drafts/draft-ietf-enum-cnam-05.txt
However, I don't believe for a second (though I did years ago) that
ENUM will ever leave the control of the carriers, as you also
insinuate. I'm singing to the choir, though, since you already have
a Freenum/ISN dialing method (http://www.freenum.org/) for your
organization, Brad. Encouragingly, the ISN dialing method does scale
quite well for the CNAM-type data to be put in the DNS with the CNAM
extension draft referenced above, unlike E.164 which is more
cumbersome, to say the least.
In other news: I'm looking for an inexpensive CNAM provider via
HTTP. Low volume at first, but probably ramping up a bit over time
to a few thousand lookups a day. Anyone out there providing this
service with a "low friction" business model?
JT
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