On 20 Jun 2011, at 08:00, Doug Barton wrote: > On 06/19/2011 23:38, Mike Leber wrote: >> >> >> On 6/19/11 10:47 PM, Paul Vixie wrote: >>>> Date: Sun, 19 Jun 2011 22:32:59 -0700 >>>> From: Doug Barton<do...@dougbarton.us> >>>> >>>> ... the highly risk-averse folks who won't unconditionally enable IPv6 >>>> on their web sites because it will cause problems for 1/2000 of their >>>> customers. >>> let me just say that if i was making millions of dollars a day and i had >>> the choice of reducing that by 1/2000th or not i would not choose to >>> reduce it. as much as i love the free interchange of ideas i will point >>> out that commerce is what's paid the internet's bills all these years. >> >> Fortunately, 1/2000th was just the now proven false boogey man that >> people substituted as a placeholder for the unknown. > > Actually the people using that number had hard facts to back it up, but that > was all debated at length already, and I don't see any point going over it > again.
Except that if there's new evidence showing the figure is lower, let's see it :) The measurements we have made show 0.07% over the past month or so, the figure being users who can access a site with an A record, but not one with an A and AAAA record. There are still corner case issues out there, but I suspect that that small percentage may well be down to users who don't update their OS or software. It would be very interesting to know the real causes. I would hope things like 3484-bis and happy eyeballs will help reduce these further. Tim