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I think you underestimate the complexity of deploying a new protocol like that. Also, you know NAT64 exists, right? You can have a v6 only network connecting t

I think you underestimate the complexity of deploying a new protocol like that. Also, you know NAT64 exists, right? You can have a v6 only network connecting to v4 hosts. Is that not enough compatibility if you don't want dual stack hosts?

hot_gril 3y ago
I can't tell you the man-hours, but I can tell you it'd be easier than ipv6. And yes I'm aware that you can give a "v6 only network" a v4 address, which means you're still on ipv4.
- hot_gril 3y ago
  (ipv4.1 could also be implemented using the ipv6 header, btw)