On Tue, Oct 21, 2003 at 07:49:04AM -0700, Michel Py wrote: > > Tim Chown wrote: > > But if I want a VoIP communication from me (behind a NAT) to > > some user behind a NAT, not using a 3rd party "location" server, > > how does v4 deliver, without the receiving user having the pain > > of port forwarding configuration on their NAT? > > There are several methods today; uPNP for example. Besides, not using a > 3rd party location server for VOIP does not make a lot of sense. Looking > at SIP as an example, yes you can initiate a communication directly to > the IP address, but it is much more convenient to register with a > directory that almost everyone will end up doing it anyway, NAT > traversal or not.
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. Stig -------------------------------------------------------------------- IETF IPv6 working group mailing list [EMAIL PROTECTED] Administrative Requests: https://www1.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------
