On May 28, 2010, at 8:57 AM, Arnt Gulbrandsen wrote: > Consider bittorrent. Bittorrent clients generally can run behind NAT, but in that case they have to be on the same ethernet as the NATbox, so it's a safe bet that the bittorrent USER has a real address. Am I stepping out on a limb if I state that most users can run bittorrent? No idea. No clue how popular bittorrent is. I was under the impression that the vast majority of folks on residential-level connections were sitting behind a NAT box. Perhaps my impression is wrong? Regards, -drc _______________________________________________ Ietf mailing list Ietf@xxxxxxxx https://www.ietf.org/mailman/listinfo/ietf