While it may not be of consequence to end users, IPv6 migration will be a big deal to enterprise IT and particularly network and network security managers. IPv6 has been in use for many years, it has been deployed on relatively few networks. Because people are less familiar with it, they are less likely to spot mistakes. With IPv6, security practitioners have a chance to get ahead of the game and bake best practices into IPv6 processes and operations instead of bolting them on after the fact. Lessons learned and best practices will come from trial and error, information sharing, and by supporting industry initiatives. Let’s not waste the opportunity to do things right.