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Software Fortresses: Modeling Enterprise Architectures by Janet Van Sickler, Roger Sessions

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Chapter 10. Internet Fortresses

Presentation fortresses and Web service fortresses can both be categorized as Internet fortresses. Internet fortresses are the no-man's-land between your enterprise and the Internet. Internet fortresses have two main purposes. First, they mediate interactions between the outside world and your enterprise dominion. Second, they provide a security buffer between the outside world and the restricted world of the corporate computing grid. Both of these functions are depicted in Figure 10.1.

Figure 10.1. Internet Fortresses

There are two types of Internet fortresses: presentation fortresses and Web service fortresses. ...

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