BGP announcements and small providers

Perry E. Metzger perry at
Wed Feb 26 22:28:06 UTC 1997

Christopher Caldwell writes:
> 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.

I've run customers dual addressed during transitions. It has the
advantage of eliminating downtime, and the disadvantage of requiring a
bit more labor to do the move in two phases.


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