Re: I-D ACTION:draft-huitema-v6ops-teredo-00.txt

[Gert Doering <gert@space.net>]

Hi,

On Wed, Jun 11, 2003 at 10:26:02AM +0300, EricLKlein wrote:
> If I am running a TCP connection over IPv4 the retransmit functionality is
> built into the TCP protocol stack. But if I am then transporting this across
> a UDP tunnel who handles the TCP retransmits on timeout? The originating TCP
> application is expecting a response from the distant end host, as that host
> sees only the UDP it will never know to retransmit.

Nah, that's wrong.  There is *still* a TCP packet inside the UDP, so the
TCP protocol works as usual.  It's no different from any other possibly
unreliable transport, and especially doesn't mean "TCP mysteriously turns 
into UDP and looses reliability".

Before worrying too much, try to understand "tunneling".

Gert Doering
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