>hey could have made an incompatible IPv5 which was exactly like IPv4, except with additional address bits. That exists, it's called enhanced IP or something.

>hey could have made an incompatible IPv5 which was exactly like IPv4, except with additional address bits. That exists, it's called enhanced IP or something. I'm having trouble finding it now since it's been a few years, but I've had a customer using it. Of course nothing besides the endpoints understood it, so it had to be wrapped in UDP. Horrible.