Are IPv6-only Internet services viable today?

[alain_durand at cable.comcast.com (Durand, Alain)]

On 1/16/10 8:03 AM, "Jim Burwell" <jimb at jsbc.cc> wrote:

> Could well be the case.  My idea was that you could do it either way.
> You could have a DS-Lite gateway (Typical.  Likely built into the "cable
> modem" or similar device), or in the case where no gateway is available,
> a DS-Lite "client" (basically a virtual nic/tunnel driver) on the
> machine would establish the tunnel and an IPv4 address itself.  But
> perhaps this latter method was never intended?

You mean, tunnel directly to the end host?
We have been thinking about extensions to allow that 'short-cut', AFTR-less
mode. It is doable if you can establish a 1 to 1 mapping between the IPv4
and the IPv6 address **and** you find a way for host A to figure out host
B's IPv4 and IPv6 addresses...

  - Alain.