RE: v6 deployment in general [Re: tunnel broker deployment [RE: Tunneling scenarios and mechanisms evaluation]]

["Christian Huitema" <huitema@windows.microsoft.com>]

> > The problem is worse with transition mechanisms, especially the ones
> > which traverse NATs, but the situation may improve as soon as we can
> > get rid of them.  In any case, such mechanisms can provide a stable
> > as long as they can keep the NAT/IP mappings stable -- which is, for
a
> > properly designed application, maybe sufficient.
> 
> I guess I don't understand what "such mechanisms" refer to above.
> I don't know if mechanisms like Teredo can provide a stable IPv6
address
> when the nat mappings change, but doing TB/UDP for nat traversal
should be
> able to provide stable IP addresses/prefixes in this case.

In practice the NAT mappings do not change and the Teredo address
remains reasonably stable.

-- Christian Huitema