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An enterprise has multiple applications that are being built independently, with different languages and platforms. The enterprise needs to share data and processes in a responsive way.
How can I integrate multiple applications so that they work together and can exchange information?
Develop each application as a large-scale object or component with encapsulated data. Provide an interface to allow other applications to interact with the running application.
Remote Procedure Invocation applies the principle of encapsulation to integrating applications. If an application needs some information that is owned by another application, it asks that application directly. If one application needs to modify the data of another, then it does so by making a call to the other application. Each application can maintain the integrity of the data it owns. Furthermore, each application can alter its internal data without having every other application be affected....
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