A new protocol, IPv6, was devised and hailed as the solution, with exhaustion of IPv4 addresses leading many to expect IPv4's replacement within a decade.

Dragging DNS into the modern age. And if that means fewer people need to buy IPv4, so much the better A pair of networking ...

Fortunately with more than one high-end networking specialist on hand it was quickly established that we had a problem with our gateway’s handling of IPv4 addresses, and normal service was restored.

With IPv4 addresses now trading at $20 to 30 each and IPv6 adoption progressing slowly, we're in an unprecedented situation where legacy infrastructure has become a commodity.

IPv6, or Internet Protocol version 6, is the successor to the decades-old IPv4 system that underpins the internet.