Gutmann Soundwave Therapy
Peter Gutmann
pgut001 at cs.auckland.ac.nz
Mon Feb 4 04:38:31 EST 2008
Ian G <iang at systemics.com> writes:
>James A. Donald wrote:
>> I have been considering the problem of encrypted channels over UDP or
>> IP. TLS will not work for this, since it assumes and provides a
>> reliable, and therefore non timely channel, whereas what one wishes to
>> provide is a channel where timeliness may be required at the expense of
>> reliability.
>
>This is what Guus was getting at:
>
>- We needed to tunnel data over UDP, with UDP semantics. SSL requires a
> reliable stream. Therefore, we had to use something other that SSL to
> tunnel data.
This is where the OpenVPN developers got it right: Use TLS for the handshake
and IPsec's ESP for the transport. It's been a solved problem for some years
now.
Peter.
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