On Tuesday 05 August 2008 12:40:17 ext Iljitsch van Beijnum, you wrote:
> For our purposes we can probably assume that the UDP is lower than TCP
> because UDP in this is very likely mostly DNS which shouldn't have to
> go through a NAT64.

Real-time traffic, including online games, VoIP, videoconferencing, relies 
heavily on UDP, if only to avoid TCP head-of-line blocking.

If NAT vendors had not assumed that DNS was the only usage of UDP, we would 
probably have overall much better NAT in the real-world today. Please do not 
make the same mistake.

-- 
Rémi Denis-Courmont
Maemo Software, Nokia Devices R&D
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