According to the Internet Society, World IPv6 Day's goal is to motivate internet service providers, hardware makers, operating system vendors and Web companies to prepare their services for IPv6 to ensure a successful transition as IPv4 address space runs out this year.

"By acting together, ISPs, web site operators, OS manufacturers, and equipment vendors will be able to address problems, such as IPv6 brokenness in home networks and incomplete IPv6 interconnection," the society's website reads.

"Also, on the day itself, any global scalability problems can be found in a controlled fashion and resolved cooperatively."

For its part, Google says it has been supporting IPv6 since early 2008, when it began offering search over IPv6.

"Since then we've brought IPv6 support to YouTube and have been helping ISPs enable Google over IPv6 by default for their users," a