DNS failover for backup ISDN connection
David Botham
dns at botham.net
Tue Aug 13 12:55:26 UTC 2002
> -----Original Message-----
> From: bind-users-bounce at isc.org [mailto:bind-users-bounce at isc.org] On
> Behalf Of Sean
> Sent: Monday, August 12, 2002 5:33 PM
> To: comp-protocols-dns-bind at isc.org
> Subject: DNS failover for backup ISDN connection
>
>
> I'm looking for a dns failover solution that would solve our redundant
> Internet connection issues. I'm hosting a web server and have a
> single Internet connection and I would like to add a backup isdn line
> (from a separate provider) that would only become active when the dsl
> line is down. As seamlessly as possible I would like for our clients
> to continue connecting to our web site.
You may look for a solution that is outside the realm of DNS. Look at
Radware's LinkProof, or other comparable product. When ever possible, I
would suggest not using DNS to perform load balancing / high
availability for other services...
Dave...
>
> I would like for the isdn line to never be used unless the dsl line
> goes down. How can this be accomplished? I've looked at IP failover
> services like the one that ZoneEdit offers but that would require our
> clients to only specify ZoneEdit's DNS servers in their tcp/ip
> settings. I've also looked at dsn round robin which could result in
> some error messages ('page not found', etc.) for our clients.
>
> Any help would be greatly appreciated.
>
> Thank you.
> Sean
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