This book is about enterprise architecture (EA). To paraphrase the IEEE definition, an EA, or more properly, an EA description, is a representation of the components and their relationships, the structure and the behavior of an enterprise, and the evolution of these elements over time. An EA is created to support planners and decision-makers in aligning the processes and technical infrastructure of the enterprise with the enterprise’s business strategy. An EA provides the enterprise business context that supports the decisions about what processes, systems, and technologies should be developed or acquired to achieve the enterprise’s strategic goals and objectives. So, EA informs and precedes systems engineering and its representations ...

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