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IBM WebSphere V4.0 Advanced Edition Scalability and Availability
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This redbook discusses various options for scaling applications based on IBM WebSphere Application Server V4.0, Advanced Edition . The objective of this book is to explore how the basic configuration can be extended to provide more computing power, by better exploiting the power of each machine and by using multiple machines. It examines a number of techniques, including: - Using the WebSphere Web server plug-in to distribute the load from one Web server to multiple application server clones - Using IBM Network Dispatcher to distribute the load between multiple Web servers - Using the WebSphere EJB workload management facility to distribute the load at the EJB level - Using firewalls and WebSphere security in a multi-machine environment - Using clustering solutions such as HACMP to meet the high availability needs of critical applications This book provides step-by-step instructions for implementing a sample multiple-machine environment. We use this environment to illustrate most of WebSphere Application Server V4.0, Advanced Edition 's workload management and scalability features.
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