Microsoft's participation in World IPv6 day

Mark Andrews marka at
Fri Jun 3 05:08:35 UTC 2011

In message <BANLkTi=L1pdmxdCMQs+z656yjNsDNudAPw at>, Cameron Byrne writes:
> On Thu, Jun 2, 2011 at 9:34 PM, Hank Nussbacher <hank at> wrote:
> > On Thu, 2 Jun 2011, Cameron Byrne wrote:
> >
> > In that case can anyone explain why the number of IPv4 *only* systems is
> > increasing rather than decreasing:
> >
> >
> > I would have expected the green+azure areas in those graphs to have
> > increased in the past half year but counter-intutitively, it appears that
> > IPv4 only usage is increasing.
> Pure speculation here, but these stats that you refer to are not a
> scientifically representative sample of the internet at large, this
> sample is a self selecting group of people who have chosen to run an
> ipv6 test.  These people who run the test, likely know what IPv6 is
> and therefore are more likely to have IPv6 enabled.
> As world ipv6 day gets more general press coverage, the graph is
> bending more towards a more realistic sample of the internet ... which
> does not usually have IPv6 access.
> Assuming Google users represent the general internet, this is the
> graph that displays what you are likely looking for
> Cameron

Which is good as it is showing 6to4 fixes being deployed to preference
IPv4 over 6to4 and a strong growth in IPv6 native.

Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at

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