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IBM WebSphere Application Server v7.0 Security by Omar Siliceo

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Chapter 7. Securing Back-end Communication

Almost no entity is completely independent in order to perform its designed purpose. Plants in order to be plants at the very least require the sun and water; animals, similarly, require nutrients to be animals. WebSphere enterprise applications are no different; they probably require external resources (for example, a back-end database) in order to provide their service.

Let's expand a little on the entity-purpose concept. For this, let's use a house as an analogy. In most cases, for a house to be functional it requires different types of services such as power, water, perhaps a source of natural gas. In more sophisticated instances, a resident of a house may perceive as a need the addition of a telephone ...

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