alt Hacker NewsIPv6 has already won on mobile and been gaining fast traction in IoT space with Matter. The reason IPv4 is still around everywhere else is because we came up with ingeniuous techniques that squeezed the heck out of IPv4 address space. Also, IPv4 addresses are easier to type. That's pretty much it.
I had mentioned some of that in my post: https://ssg.dev/ipv6-for-the-remotely-interested-af214dd06aa...
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Everyone who says this is a web developer. I have yet to actually meet someone with networking experience who has this opinion.
The reason it's not winning in the other places is because Network engineers hate IP version 6 as a rule .
It makes sense that it's won on mobile. In that scenario, NATs are stupid and lots of addresses are needed.
In the data center, fewer addresses are needed and NATs are vital for security.
Where IPv6 is struggling the most is corporate networks. There are many network admins that are afraid of IPv6 and don't want to learn about it, so they just block it at the gateway.
>won on mobile and been gaining fast traction in IoT space
The two worst uses of the internet.
Yes, they are easier to type, and to remember, and it turns out, that's actually a big deal! When you are troubleshooting network problems, it's really nice to take everything but simple raw addresses out of the picture. It's really nice to be able to look at an address and instantly recognize if it's on the same (V)LAN as you are expecting, if it's unique, if it changed from what it was last time you checked, if it's an address for a VPN interface, if the packet you are sniffing is for this host or that host, if DNS is resolving correctly, etc., etc.