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RE: IPv6 adoption behavior

> Stig Venaas wrote:
> But there is a big difference between using a 3rd party directory,
> and passing data through an intermediary. That is, you might very
> well have end-to-end connectivity, but use a directory to locate
> the other end-point.

Indeed. But the difference is big technically, which the end user does
care about. As of today, there are several SIP directories that are
jockeying for market share, some offering the service for free. For
these guys, offering an automatic NAT traversal mechanism integrated
with the directory is a big plus, as there is a large potential customer
base that uses NAT.


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