IPv6 is on the minds of every network professional, these days, and rightly so. While some vendors and service providers are woefully behind, others are leading the charge. We asked well-known IPv6 expert Ed Horley to name these leaders. Horley is co-chair of the California IPv6 Task Force, involved in the North American IPv6 Task Force and earns his living as Principal Solutions Architect at Groupware Technology in Campbell, CA.