To Cluster or not to cluster that is the question?
Weblogic Server lends itself very well to clustering, all the components are available, all the specifications are there and it has had clustering capability long enough through the versions to make this a viable solution, questions is do you want to cluster?
Advantages are:
Resiliance no more single point of failure in the application tier
Session Replication, if a server goes down your session will carry on just by another server node in the cluster.
Disadvantages are:
Complexity - more complexity means more risk of it not working(down more to configuration or human error than the software)
Need more Server resources - more disk , more cpu , more network traffic etc...
Your applications will need to use the clustering services in the container and so they need to be coded to be made 'cluster aware'
Load Balancing is a much simpler setup to implement
Advantages
Quicker and easier to setup
No need to re-engineer your apps.
or drop me a email at guru.weblogic@gmail.com
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