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DNS Record

Posted on 2014-12-08
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Last Modified: 2014-12-08
Hi There,

I have some web application that I developed and I published the app on one of my internal IIS server.

What I'm trying to do now is to publish the the application on another IIS server and fail-over between two IIS server.

There is any solution by DNS level?  I was trying cnam which give me option to direct to just one server.

thanks ,
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Question by:Moti Mashiah
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Accepted Solution

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Rich Weissler earned 2000 total points
ID: 40486886
At the DNS level, there isn't an automated way to do it.  Normally, you could have multiple entries for a name... but it'd use round robin, not at all the failover solution.
Normally, I'd see IIS servers setup behind a Windows Network Load Balancer.
Theoretically, if you really wanted to do it with DNS, you could set the TTL to be very short on this record.  Then write a script to check whether the application is still available, and if it isn't... update the DNS record to point the name to the server you're failing over to.
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Author Closing Comment

by:Moti Mashiah
ID: 40486943
I went with the load balancing solution.
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