Sabahattin Gucukoglu <[email protected]> wrote:
> Hi Jonathan.  BTMM does use IPv6 for the internal cloud addresses
> (unique-local addressing), but the endpoints are still IPv4.  It's entirely
> possible that Apple has changed their protocol since they last documented
> it, but at the time the home gateway needed some kind of NAT traversal
> support, whether by UPnP or NAT-PMP.  Now, however, it seems that even if
> that is switched off, BTMM can still work, although more slowly, so perhaps
> they've not got it working behind large-scale NAT as well.  Goodness knows
> why they don't just use IPv6 natively; would give the world one more reason
> to upgrade. :)

as a side note, Facetime can use IPv6 all the way from one endpoint to
another to carry a voice call.

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