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

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1.7. The Fortress as a Unit of Interoperability

The software fortress is a natural unit of interoperability. Software fortresses are connected through drawbridges. Drawbridge technologies are independent of the technologies used inside fortresses. Drawbridges thus shield each fortress from technological decisions made by other fortresses, even when the fortresses have treaty relationships with each other. Organizations are therefore free to choose fortress technologies solely on the basis of the specific needs of the fortress for which they will be used.

Many organizations, for example, are debating between using Java and .NET technology. Each has strengths and weaknesses, yet Java and .NET do not play together well. Enterprise JavaBeans, for ...

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