On Jul 30, 2011, at 10:45 AM, JORDI PALET MARTINEZ wrote:
However, for what it matters here, 6rd is native after exiting from the
ISP, same as 6to4 is native after exiting from the 6to4 relay.
As we may not be able to know how "much" of the "native" IPv6 traffic is
6rd in the last mile, I think we should consider all 6rd traffic as native
for those measurements, otherwise, we will be biasing the data. Even it
may be the case of an ISP using 6rd for some part of its network, and
native for the other.
good points.
I suspect that what many people are interested in is not whether the v6 traffic
is "native" end-to-end, but rather, something like:
a) How much of this traffic is _managed_ end-to-end vs. how much relies on
ad-hoc "kindness of strangers" e.g. RFC 3068 which we know is less reliable.
b) If certain transition mechanisms happen to be very effective/useful at
getting people onto IPv6 (or not), which ones are those?
Of course, some of these things are easier to measure than others.
Then again, others really are interested in whether the traffic is "native",
since perhaps they care about applications (media streaming?) that are
significantly impacted by tunneling.
Keith
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