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

Barry Margolin barmar at genuity.net
Wed Apr 3 21:59:56 UTC 2002


In article <a8fsis$svt at pub3.rc.vix.com>,
Kevin Darcy  <kcd at daimlerchrysler.com> wrote:
>For this reason, folks who are serious about webserver load-balancing usually
>go for a clustering solution, or buy a device like the ones Cisco sells, which
>can "frontend" multiple web servers behind a single IP address.

These solutions only work if all the servers are at a single location.  If
you don't want the data center to be a single point of failure you'll need
to have servers in multiple data centers, and this probably necessitates a
DNS-based failover mechanism.

-- 
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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