Enterprise Architecture Body of Knowledge
Developing an EA

Models

An EA model is an approximation, abstraction or representation of the enterprise or portion thereof, which may include the people, processes, systems, information, and/or technologies. Models are used to gain insights into the structure, behaviors, interactions, and properties of the current enterprise, and to analyze the impacts of potential changes. Models are critical for understanding how enterprise changes can address strategic goals. They provide a low cost way to experiment with alternative designs or processes before making investments in new initiatives. A model or set of models is an effective way to describe an architecture because models tend to make the description more precise. Models can also be useful for simulating architectures for feasibility or alternative analysis. Executable architectures are architectures that are developed as both a description and a simulation.

An EA model is an approximation, abstraction or representation of the enterprise or portion thereof, which may include the people, processes, systems, information, and/or technologies. Models are used to gain insights into the structure, behaviors, interactions, and properties of the current enterprise, and to analyze the impacts of potential changes. Models are critical for understanding how enterprise changes can address strategic goals. They provide a low cost way to experiment with alternative designs or processes before making investments in new initiatives. A model or set of models is an effective way to describe an architecture because models tend to make the description more precise. Models can also be useful for simulating architectures for feasibility or alternative analysis. Executable architectures are architectures that are developed as both a description and a simulation.

This topic area includes guidance, research, case studies, sample artifacts, and other references that will help the EA practitioner select and use the right models to apply to an EA effort.

Reference: ISO (2011). "Systems and software engineering—Architecture Description," ISO/IEC/IEEE 42010:2011, December 2011.

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Developing an EA