[dns-operations] root? we don't need no stinkin' root!

[Stephane Bortzmeyer]

On Wed, Dec 11, 2019 at 01:20:13PM +0000,
 Jim Reid <jim at rfc1035.com> wrote 
 a message of 22 lines which said:

> In principle, they could all change at once, In reality, they
> don’t. When making a change of this nature, established wisdom is to
> change half of the NS records (or their glue), wait a few days to
> see that all is well and then change the other half.

It doesn't matter. Everything is done in a few days. For a resolver
updating its copy of the root every month, this is enough to break
things.