Re: Advisory — D-root is changing its IPv4 address on the 3rd of January.

[Joe Antkowiak <antkojm1 () gmail com>]

On Fri, Dec 14, 2012 at 2:13 PM, Jason Castonguay <castongj () umd edu> wrote:

> The old address, which is in the middle of UMD's network, is going to be
> black-holed once the change is over. Nothing will be on that IP once we
> move the root off.  The rest of UMD's network is staying put.  This move
> is part of UMD's commitment to improve the service, so we can support
> DNS anycast.
Just a quick question....if the old block is going to be black-holed but
kept allocated...why does it need to be changed in the first place, or why
does the existing have to be disabled?  (just have both addresses
active/responding?)

Forgive me if I'm missing something.