Source: Stephen Shankland / CNET / CBS News The computing industry has begun a major 24-hour test today to work the kinks out of IPv6, a disruptive but necessary overhaul of the Internet's inner workings. Starting at midnight, Universal Coordinated Time on June 8–or 5 p.m. PT today–dozens of companies lit up servers, Web sites, and network infrastructure that communicate using Internet Protocol version 6. The test, called World IPv6 Day, provides a bit of deadline, albeit one that's more [...]