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I've enjoyed learning about the implementation differences between ".tel" and "e164.arpa"
in the emerging Internet-Telephony directory space. One issues I've found particularly
interesting is that both the Pulver/Peek/Marschel ".tel" TLD application and the
"e164.arpa" implementation are based on the same IETF technical standard, namely
ENUM. The power of a common technical standard in this situation is enormous.
Since both implementations are based on the same standard, technology vendors can
build and deploy ENUM compliant IP-Communications systems which will allow customers
to select the TLD implementation (".tel" or "e164.arpa") that best meets their needs
without requiring an underlying technology change. The adoption of the ENUM
standard in this case is an absolute requirement for creating effective competition.
Imagine what would happen if the two solutions did not both adhere to the same standard.
Vendors would be forced to build two version of the same product to enable competition
to work. From my experience in working with equipment vendors this simply would
not happen. Vendors can't afford the complexity associated with supporting
two different technical solutions. Competition will work to everyone's
benefit in this case (vendors, customers and end-users) thanks to the adoption of
the common ENUM technical standard
Henri de Perignon
Fonde
de Pouvoirs
Lazard Freres
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