Actually John - IPng started out being called IPv7, but we caught the
mistake and renamed it IPv6. Whew :-)
Geoff
On 2/15/21 8:33 AM, John Curran wrote:
On 15 Feb 2021, at 2:01 AM, Mark Andrews <ma...@isc.org
<mailto:ma...@isc.org>> wrote:
...
Complain to your vendors about not implementing RFC 8305, RFC 6724, and
RFC 7078. RFC 8305 or RFC6724 + RFC 7078 would fix your issue.
Thats Happy Eyeballs and tuneable address selection rules.
Mark -
You’ve properly pointed out IPv6 can indeed be readily & safely
deployed today using modern equipment that supports a reasonable
transition approach… full agreement there.
Interestingly enough, you’ve also pointed out the not-so-secret reason
why it's taken so long to get sizable deployment of IPv6 – that is,
despite us knowing that we needed "a straightforward transition plan”
on day one that documented how to move from IPv4 to IPng (aka IPv6),
we opted in 1995 to select a next generation protocol which lacked any
meaningful transition plan and instead left that nasty transition
topic as an exercise for the reader and/or addressed by postulated
outputs from newly-defined working groups… thus the underlying reason
for the lost decades of creative engineering efforts in gap-filling by
those who came after and had to actually build working networks and
applications using IPv6.
For what it’s worth, I do think we’re finally 98 or 99% of the way
there, but it has resulted some very real costs - rampant industry
confusion, loss of standards credibility, etc. There’s some real
lessons to be had here – as one who was in the IP Directorate at the
time (and thus sharing in the blame), I know I would have done quite a
bit differently, but it’s unclear if there’s been any systematic
look-back or institutional learning coming out of the entire experience.
FYI,
/John