[7848] in North American Network Operators' Group
Re: BGP announcements and small providers
daemon@ATHENA.MIT.EDU (Christopher Caldwell)
Wed Feb 26 16:26:00 1997
Date: Wed, 26 Feb 1997 16:16:29 -0500
To: nanog@merit.edu
From: cdc@groupz.net (Christopher Caldwell)
>Uhm, sure. Just slowly decrease the TTL on your name server until you are
>ready to renumber (and the TTL is set to something ridiculously low such as
>1 minute). The customers will then experience something like a 1 minute
>outage when you renumber. If we are going to start getting into the
>procedures of HOW to renumber this should likely move to the PIER mailing
>list. I think if in general people become more interested in HOW to
>gracefully renumber themselves and their customers instead of worrying
>about how hard it is to do they would see that while it is work, it isn't
>really all that hard.
>
Why don't you slowly decrease the TTL on your name server until you're ready
to renumber. Configure your web server bind to the old address(es) and new
address(es). Re-number in the DNS, and your customers will experience
something like no down time. Then put the TTL back to where it normally is.
-Christopher
