Time is a great teacher, but unfortunately it kills all its pupils - Hector Berlioz
The move will allow longer IP addresses, better security and improvements for routing and network configuration.
Initially IPv6 support will be seen on Japan's (.JP) and Korea's (.KR) country codes. France will be next.
IP 4 has been in use for more than 30 years and can't cope very well with requirements for address space, mobility and security in peer-to-peer networking.
IPv6, supports a 128-bit address space, instead of IPv4's 32-bit. It also means that more devices to be able to get their own address as the Internet continues to grow. It also expands into new types of devices that can be assigned with IP addresses. µ