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Re: IPv6 tunnel over NAT
>> The question is whether IPv6/PPP/xyz/TCP is good enough for the
>> particular case of hosts stuck behind a NAT that they cannot remove or
>> upgrade. I think that the answer in this case may well be "yes".
>
>well, obviously it depends on the applications being run and the
>quality of the underlying links. if you're running real time apps
>over UDP over PPP over TCP over a lossy IP link, you'd probably
>be much happier using Teredo. do we really want to say, for instance,
>that it's okay for the generic solution to break streaming audio?
the use of TCP doesn't really change the situation to streaming audio.
if you see how many layers of encapsulations we are using for DSL
services (take a look at diagrams in draft-mickles-v6ops-isp-cases-01)
i think you will agree with me. it's a horrible world.
itojun