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h3. A typical production installation of Whydah:


{gliffy:name=Whydah infrastructure|size=M|version=48}

Using DNS & mod_balance load-balancing




h3. More configuration documentation

* [SSOLoginWebApp HA configuration (AWS ELB and Apache front)]
* [SecurityTokenService HA configuration (aws ec2 hazelcast)]

h3. Load-balancing
* Amazon's [Elastic Load Balancing |http://aws.amazon.com/elasticloadbalancing/] (We use this for AWS deployments)
* [Round-robin_DNS|http://en.wikipedia.org/wiki/Round-robin_DNS] and Apache mod_balance (We use this for on-premise deployments)
* Apache only load-balancer: [How To Set Up A Loadbalanced High-Availability Apache Cluster|http://www.howtoforge.com/high_availability_loadbalanced_apache_cluster]