On Nov 21, 2013, at 7:37 PM, Brian E Carpenter <brian.e.carpenter@xxxxxxxxx> wrote: > Please don't. The history of government mandates for IPv6 is, to say the > least, chequered. Government mandates are not the same as government involvement. For example, you'd think at this late point in the game, US education institutions and networking industry would further along in enabling IPv6 for their public facing servers, particularly when compared to the US government... Compare: <http://fedv6-deployment.antd.nist.gov/cgi-bin/generate-edu> <http://fedv6-deployment.antd.nist.gov/cgi-bin/generate-com> to this one: <http://fedv6-deployment.antd.nist.gov/cgi-bin/generate-gov> (or via charts - http://fedv6-deployment.antd.nist.gov/snap-all.html) The difference: there is an actual mandate for US federal agencies to deploy IPv6 for their public facing services. This isn't something telling anyone else what to do, it's just affecting how the USG buys its services (and has had a material effect on the IPv6 deployment plans of major ISPs as a result) Personally, I would be very concerned about any desire by governments to get involved in mandating IPv6 for Internet service providers of any kind, because ISPs are widely different in equipment choices, architecture, deployment strategies, services offered, etc. The odds of anyone directing outcomes top-down and getting it right for all of situations is rather low, and the chance of governments doing it with success is even lower, approaching nil... IMHO, if governments _really_ want to help out, it would be nice if they themselves deployed IPv6 for their public services (underway in the US), if they bought dual-stack Internet connectivity when they buy Internet services (not generally happening, yet) and if they discouraged claims of "Reach us on the Internet at www.example.com!" when the "Internet" website is actually only reachable via IPv4. Indirect support in these areas could help the demand side for IPv6 services and increase the content that is reachable via IPv6; i.e. outcomes that ISPs can actually relate to and which help them support their IPv6 business cases. FYI, /John Disclaimer: My views alone.