Mark Atwood wrote:
Moreover, unlike nat64, nat44 can be fully transparent end to end.
Some people may consider it a feature that only incumbents with power
and money can usefully call listen(), and that useful user to user
activities requires the cooperation of an intrusive 3rd party, while
mere users and upstarts can only call connect().
It is, in fact, getting really hard to avoid assuming malice on the
part of people who want to nail the world to the nat44 cross.
Isn't port forwarding over legacy nat44 enough for you?
For me, port forwarding is not enough because it lacks
end to end transparency.
For example, you can't use PORT command of your ftp
client behind legacy nat.
See draft-ohta-e2e-nat-00.txt for how nat44 can be
transparent end to end.
OTOH, nat64 can not have end to end transparency.
Masataka Ohta
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