> Years ago, the French ISP `Free`, after much dragging of feet, enabled IPv6 support for their customers.
And quite a quick deployment AFAICT:
> Free deployed the IPv6 infrastructure in only 5 weeks, from 7 November to 11 December 2007, thanks to an innovative 6rd (IPv6 rapid deployment) proposal by Rémi Després.[44]
Hmm, my experience in the US with CenturyLink Fiber's 6rd implementation suggests it's also slower than IPv4 (I went from ~900/900 to ~500/500 when I enabled it). I decided I could live with that, but it's still a little disappointing.