Application Server and High Availability
Because Communications Express is deployed in a web container (either Web Server or Application Server), consider making the web container highly available.
For example, Application Server Enterprise Edition enhances the core application server platform with high availability, load balancing and cluster management capabilities. The management capabilities of the Platform Edition are extended in Enterprise Edition to account for multi-instance and multimachine deployments.
Application Server’s clustering support includes easy-to-configure groups of cloned application server instances to which client requests can be load balanced. Both external load balancers and load balancing web tier-based proxies are supported by this edition. Application Server EE provides failover for HTTP sessions and stateful session beans using the highly available database (HADB).
See the Application Server Enterprise Edition 8.1 2005Q2 documentation for more information:
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