It's been a quarter of a century since the first IPv6 standard was finalized as RFC 2460, and to say adoption has been slow is an understatement. The pool of available IPv4 addresses has been exhausted for quite a while now, and in fact, was running out for public use years ago. Yet it's still not gone, with most systems that have adopted IPv6 running a dual-stack configuration that also includes IPv4. I wondered if you could survive on just IPv6. Surely, it's an established enough protocol t...