The IPv6 standard was first published in 1998 which is now 15 years ago. For a while it looked like adoption would drag on forever resulting in some anguished discussions. But by about 2011 IPv6 started to develop real momentum on private networks with Google achieving 95% IPv6 on their internal network at the end of 2011. Another major milestone was World IPv6 Launch Day, which took place last June. A study that was just presented a couple of weeks ago at the NANOG conference shows (PDF) tha...
