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ISP have to buy IPv4 addresses proportional to the number of customers who need them. If their customers switch to IPv6 then the ISPs' costs will go down. Sligh

ISP have to buy IPv4 addresses proportional to the number of customers who need them. If their customers switch to IPv6 then the ISPs' costs will go down. Slightly. That said, western governments can, should, and (somewhat) do mandate IPv6 adoption. It's slow, though. IIRC it's something like 2-3% a year and we're at 20-30%, so in a decade we should have a majority supporting IPv6 and hopefully that will cause some sort of feedback loop forcing universal IPv6 support for practical reasons.

zokier 3y ago
> It's slow, though. IIRC it's something like 2-3% a year and we're at 20-30% Your numbers are off by a factor of 2. We are around 40% now and the growth is more like 4-5% per year. With that we could be at 90% adoption in a decade, and getting to >50% should be just couple of years; many major countries are already past that mark.