Re: Tunneling scenarios and mechanisms evaluation

[Erik Nordmark <Erik.Nordmark@sun.com>]

> > 5)
> > what about the others, like 6to4? Do we still need this despite the 
> > issues with the relays?
> 
> Unfortunately, I think yes -- in the unmanaged case where there is no 
> ISP support ...

...and there is no IPv4 NAT.

I wonder if we can simplify things by using Teredo in the case when there is
no ISP support whether or not there is a NAT.
If that makes sense we would have to worry as much about how 6to4 and Teredo
boxes talk to each other, but only about Teredo and native talk to
each other.

   Erik