It's a misconception that you have to wait with IPv6.
If you're a large organisation you can move to IPv6 "today". What you do is, internally you cease buying IPv4-only gear and using IPv4 addressing etcetera. Everything inside is purely IPv6. A lot of your networking gets simpler when you do this, and debugging is a LOT smoother because there's no more "Huh 10.0.0.1, could be _anything_" everything has globally unique addresses because it's not crammed into this tiny 32-bit space.
At the edge, you have protocol translators to get from IPv6 (which all your internal stuff users) to IPv4 (which some things on the Internet use) but you probably already had a bunch of gear at the edge anyway, to implement corporate policies like "No surfing for porn at work" and "Nobody from outside should be connecting to port 22 on our machines!".
This isn't really practical for "One man and an AWS account" type businesses where your "Internet access" is a Comcast account and an iPhone, but if you're big enough to actually have an IT department, suggest they look into it. It may be cheaper and simpler than they'd realised.
> What you do is, internally you cease buying IPv4-only gear and using IPv4 addressing etcetera. Everything inside is purely IPv6.
"Throw everything away and start from scratch." uh yeah, that's totally gonna work for a large organization. They'll be done in an afternoon! That includes rewriting all your legacy apps that only support ipv4, including the ones you bought from 3rd parties where you don't even have the source code.
> It's a misconception that you have to wait with IPv6.
Yes and no. As I stated at the end of my comment, the problem w/ IPv6 is that who's benefitting the most isn't clear: I am interested in it, as a power user. Average Joe doesn't care. App developer doesn't care (no killer IPv6 apps yet). Large ISPs with extensive CG-NAT deployments don't care (not worth the money, yet, see IPv6 adoption in the UK).
Who cares about HTTP/3? Average Joe — Not really. Mozilla/Google — Hell yeah they do. It'll be in Chrome before anyone else (if it isn't already). Same with nginx/Apache/any other webserver, Joe Blog with his own VPS will want to enable it. And that's all you need.
If you're a large organisation you can move to IPv6 "today". What you do is, internally you cease buying IPv4-only gear and using IPv4 addressing etcetera. Everything inside is purely IPv6. A lot of your networking gets simpler when you do this, and debugging is a LOT smoother because there's no more "Huh 10.0.0.1, could be _anything_" everything has globally unique addresses because it's not crammed into this tiny 32-bit space.
At the edge, you have protocol translators to get from IPv6 (which all your internal stuff users) to IPv4 (which some things on the Internet use) but you probably already had a bunch of gear at the edge anyway, to implement corporate policies like "No surfing for porn at work" and "Nobody from outside should be connecting to port 22 on our machines!".
This isn't really practical for "One man and an AWS account" type businesses where your "Internet access" is a Comcast account and an iPhone, but if you're big enough to actually have an IT department, suggest they look into it. It may be cheaper and simpler than they'd realised.