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IBM WebSphere: Deployment and Advanced Configuration by Roland Barcia, Keys Botzum, Tom Alcott, Bill Hines

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Chapter 23. WebSphere Edge Components

In several places in this book thus far, we have discussed and shown examples of WebSphere Application Server (WAS) topology in order to focus on features specific to WAS, such as the HTTP server plug-in for workload management (WLM) and caching to application servers on the backend. However, for most corporate applications, HTTP servers alone on the front end will not suffice for reasons related to scalability, reliability, performance, and security. Many web sites receive far too much traffic for a single web server to handle. In addition, having a single web server for each web site or application(s) is not a practical idea in terms of risk—it represents a single point of failure. When this server goes ...

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