On 5 aug 2008, at 15:28, Rémi Denis-Courmont 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.
Huh? 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.
Obviously UDP is used for many things, but everything that you mention
keeps a UDP "session" going for some time unless I'm very much
mistaken. DNS queries on the other hand use a different port for
pretty much every new packet.
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