On 29-apr-04, at 21:21, Edward Lewis wrote:
I'd also like to see some statement regarding what happens when IPv4 dies.
How is v4 ever going to die when everyone is forced to keep running v4 nameservers?
(Okay, y'all can stop laughing now.) Maybe like "maintain v4 until there's a recommendation to retire it. This kind of issue (an exit strategy) seems to be quite often glossed over. It's not that I want to see an exit strategy, but to at least mention in the document that a reader 15 years from now ought to be planning for one, whether it comes or not.
I think we all agree that flag day approaches on a network that has the scale of the internet aren't going to fly. But in reality, requiring v4 nameservers now and at some time reversing this and requiring v6 nameservers instead is a flag day approach. As long as there is a single IPv6-holdout somewhere on the net, this isn't going to work.
The inevitable conclusion is that the only people who really know whether a zone should be served by IPv4 nameservers, IPv6 nameservers or both, are the people running that zone. So they should be the ones making this decision. Sure, some dire "without v4 servers bad things will happen" warnings are in order, but DNS administrators are supposed to be adults and as such have the inalienable right to make their own mistakes.
But I'm not in a hurry, all of this will work out in due course.
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