1. What is clustering? How do weblogic instances communicate
in a clustered environment!
2. In a cluster, if one of the servers has issues and is not
accessible, will the other servers know about it? and how??

Answer Posted / michael harris

First of all, clusters are connected servers.
As far as I know if there is a problem it will be noticed
because they work as one big server.
I can suggest you this site:
http://www.ozekiphone.com/what-is-voip-cluster-355.html
Clusters and other useful topics are discussed on this site
in connection with Ozeki Phone System X.

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