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Architecting the Industrial Internet by Carla Romano, Robert Stackowiak, Shyam Nath

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Cross-cutting functions and system characteristics

The business, usage, functional, and implementation viewpoints bring together the requirements and concerns of their respective stakeholders, and help provide a framework for developing the IIoT architecture. In general, the business viewpoint determines the mission and the boundaries for the usage viewpoint, ultimately driving the requirements for the functional and implementation viewpoints. In turn, the functional and implementation viewpoints may influence or impose limitations on the business viewpoint. For example, if the business viewpoint requires that field engineers must react immediately to certain events, in all conditions, then the usage viewpoint may determine they need heat-proof, ...

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