Martin Rex wrote:
According to your theory, a universal NAT traversal protocol
should already exists.
Correct. It is called the HTTP CONNECT method.
If, with your definition of "traversal", tunneling is a form
of traversal, tunneling by IPSEC is a standard firewall
traversal protocol and is much better than HTTP CONNECT
because of UDP.
So, we are done.
Masataka Ohta
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