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Enterprise Java Programming with IBM WebSphere by Daniel Berg, Greg Hester, Mark Weitzel, Gary Craig, David Pitt, Jim Amsden, Kyle Brown, Russell Stinehour, Peter M. Jakab

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Chapter 4. What Is WebSphere?

One of the more confusing things about starting to use IBM's implementation of the J2EE technology is understanding what people mean by WebSphere. Developers often refer to WebSphere when they are, in fact, speaking about WebSphere Portal Server, or WebSphere Commerce Server, or even WebSphere MQ!

Why? There is no short answer, so first we will establish what WebSphere means, then understand how everything named WebSphere fits into the picture.

WebSphere is not a product. From its inception, WebSphere has been an IBM brand. One of the first products[1] introduced under the brand was the IBM WebSphere Application Server (WAS), which is what most people simply call WebSphere. However, the use is so common that you may ...

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