<Philosophical rant>
On the subject of being able to turn off V6, I agree with both sides,
but with a caveat.
On one side, V6 is necessary today in Asia, but, on the other had, it's
not at all necessary or even desirable yet in North America and Europe,
so I think it is desirable to be able to turn it off.
Right now I don't know of a consumer ISP in North America that will GIVE
you an IPv6 address, never mind require it, although some business ISPs
tout V6 routing.
Because of the foot-dragging in rolling out V6, I believe that adoption
is not going to be a gradual affair - I believe that, at some point,
someone (probably in Asia) is going to invent the "Next Big Thing that
Everybody HAS to HAVE," (i.e. the next new Google, Facebook, Twitter,
Pinterest, Dropbox, whatever) and it will only be accessible via V6. At
that point, everyone in North America and Europe will suddenly change
from ignoring V6 to HAVING TO HAVE IT RIGHT NOW!!!
I believe the ISPs will mostly be blindsided - the few who thought that
this might happen will be able to move users to V6 and will be "winners"
in this scenario, while those who didn't plan ahead (or thought they'd
be able to move people gradually to v6) will be roasted alive in the
court of consumer opinion. It will be a "crisis" that "no one could have
predicted."
While we consumers in N. America and Europe can still afford to be
complacent for a while, I think that we, as OpenWRT developers, need to
be very diligent in ensuring OpenWRT "plays well" on V6 in anticipation
of this event, should it come to pass. It may be a nice opportunity for
OpenWRT to get some nice publicity by "saving the day" when the "crisis"
occurs.
</Philosophical rant>
--
Bill Moffitt
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