The US government has mandated federal agencies to create a transition plan for migration to IPv6 (Internet Protocol version 6) by February 2007 and to comply with the edict by mid-2008. Given the paternity of the US Department of Defense (DoD) in establishing the Internet as we know it, one would expect rapid acceptance in the private sector, but, of course, one would be wrong. Migration to this advanced networking protocol has proceeded slowly, and there are many reasons why.