On Sat, Apr 3, 2010 at 11:31 AM, George Bonser <gbonser@seven.com> wrote:
Any school teaching v4 at this point other than as a legacy protocol that they teach on the second year because "they might see it in the wild" should be closed down. All new instruction that this point should begin and end with v6 with v4 as an "aside". But that isn't.
They would be doing the student, their customer, a disservice to not teach both, with emphasis on V4, just because one possible speculated outcome in the years ahead is that IPv4 becomes a legacy protocol. Schools do not have crystal balls, and they can't know how important IPv4 or IPv6 will be to those taught later. I suppose if Google announced tomorrow, that search engine access over IPv4 is going to be discontinued in 12 months, and you will have to connect using IPv6, then IPv4 might become legacy....... They could have posted that on April 1, with impunity too :) Enterprises may take a long time to move, there are so many participants involved, it is difficult to fathom them all acting at once, at least, until some major content providers, major search engines, etc, announce they will _stop_ providing services over V4. Industry may be leaning towards IPv6 adoption, and v4 may be abandoned soon after free pool exhaustion, but there are other very likely outcomes too --- such as a heck of a lot of V4 devices and DS-Lite deployments, where Enterprise networks will want to keep their same familiar IPv4, and keep v6 "migration" costs as low as possible. -- -J