World IPv6 day ran for 24 hours as an experiment for the next generation of internet protocol. The test mostly reaffirmed fears that the use of increased transitional protocols wont solve the shortage of IPv4 addresses. Sites like Google, Facebook, Yahoo, and other major websites offered IPv6 and IPv4 for users. The test was reviewing performance server and network components. The review reported few problems, and network researchers said that this the beginning for the IPv6. For more information click here.