On Friday February 02 2018 06:46, you wrote to me:
TL> 2. This ISP is one where they communicate well with users, and they TL> don't assume users are ignorant of tech issues. In fact, they TL> probably have the highest proportion of tech savvy users of any ISP. TL> Therefore, any such change in the future is likely to be well TL> communicated. They are also likely to keep dual stack going as long TL> as feasible.
Perhaps as long as they exist. My first ISP was HCCnet. An ISP created by the Hobby Compter Club. They were very tech friendly. But they were small. And the small ones get eaten by the big ones. That was the end tech friendly...
TL> 3. This also requires liaison with the group running the other end of TL> the tunnel.
TL> Liklihood is it's far enough in the future that one or both ends will TL> see a generational change of hardware, and there will be a more TL> compelling reason to upgrade and change things around other than TL> "because I can" or "future proofing", and that time is going to be a TL> better time to make the change. :)
Perhaps. Trying to look too far in the future is not always fruitful. Yes, I agree that in your case it probably makes sense to wait a while...
MvV>> I say IPv4 /is/ broke. It has run out of addresses and we have MvV>> to resort to ever more complex work arounds to keep it working.