A program which can monitor HTTP service and change DNS record on fail?

Barry Margolin barmar at genuity.net
Thu Apr 4 15:41:50 UTC 2002


In article <a8g7q9$1hf at pub3.rc.vix.com>,
Steven E. Ames <sames at officescape.com> wrote:
>
>From a data center perspective couldn't you just use BGP to broadcast
>the same subnet from two different locations? When the route to one
>fails traffic won't even try going to it. No DNS witchery involved. You
>want IP failover right? So it really should be handled at the IP layer.

That will work if you can get a full class C or larger block, or if all
your data centers are connected to the same ISP.

-- 
Barry Margolin, barmar at genuity.net
Genuity, Woburn, MA
*** DON'T SEND TECHNICAL QUESTIONS DIRECTLY TO ME, post them to newsgroups.
Please DON'T copy followups to me -- I'll assume it wasn't posted to the group.


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