the nature of the environment it operates within. In all cases they imagine that an organization would want to develop a hierarchy of capabilities that an organization might support. Model | Design | Construct | Test | Deploy | Manage. The expert database is a data warehouse that contains the data about answers and solutions to frequent problems and that feeds into the KBS. Enterprise campus: modularity By applying the hierarchical design model across the multiple functional blocks of the enterprise campus network, a more scalable and modular campus architecture (commonly referred to as building blocks) can be achieved. This activity is really about gaining a better understanding of the IT systems and databases that collect, store, and process the data and information assets that are in the scope of the TIRM process. Two commonly used models for enterprise architecture are Zachman and TOGAF (Zachman, 1987; Harrison, 2007). As this definition calls out, the EA framework is built on three basic architectural models: business architecture, information architecture, and technology architecture (sometimes divided into solution or application architecture and technology architecture). These five points combine with a segment model to create a perspective on how best to install enterprise architecture. In fact, by 2022, Gartner predicts 80% of digital businesses will take a collaborative approach to EA, involving participants across business and IT, and potentially beyond. Stakeholders have a specific viewpoint on a subject, and their perspective must be addressed by a corresponding view on the model. On the other hand, making and maintaining a model is laborious and expensive. AI will automate processes to reduce friction and improve business efficiency. Communication is a use case deserving special attention. Enterprise architecture involves the practice of analyzing, planning, designing and eventual implementing of analysis on an enterprise. Delivering eHealth Ireland | Office of the Chief Information Officer Enterprise Architecture The critical role of EA is to drive “business value”. ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. URL: https://www.sciencedirect.com/science/article/pii/B9780124199842000057, URL: https://www.sciencedirect.com/science/article/pii/B9780123884350500044, URL: https://www.sciencedirect.com/science/article/pii/B9780124055476000067, URL: https://www.sciencedirect.com/science/article/pii/B9780124199842000069, URL: https://www.sciencedirect.com/science/article/pii/B9780123851260000036, URL: https://www.sciencedirect.com/science/article/pii/B9780123819727000026, URL: https://www.sciencedirect.com/science/article/pii/B9780124159341000030, URL: https://www.sciencedirect.com/science/article/pii/B9780124199842000082, URL: https://www.sciencedirect.com/science/article/pii/B9780128158470000042, Modeling Enterprise Architecture with TOGAF, It is a common practice to organize TOGAF, Enterprise-Level Data Architecture Practices, Entity Resolution and Information Quality, Models are abstractions of some part of reality. These topics provide starting-point guidance for enterprise resource planning. Usually, an over arching enterprise architecture process, composed of phases, breaks into lower-level processes composed of finer grained activities. In reality, during the early days of enterprise architecture work few paid much attention to the business architecture. © 2020 Gartner, Inc. and/or its affiliates. The organization, IS, procedures, business, and goals are constantly evolving, making it essential to rework models in order to reflect changes. Every successful organization must innovate continuously or it will cease to exist. This will position EA as an internal management consultancy, where less time is spent gathering data and more time is spent using data for decision-making purposes. We will see examples of these two data architectures at the business level in Chapter 8 and at the application architecture level in Chapter 9. As you can see by glancing at Figure 4.8, there is a place for the business architecture at the top of the pyramid, but in keeping with the emphasis on IT the real concern is with defining and linking IT resources. The capabilities modeling approach has companies making lists of things they do, or want to do, that may or may not be adding value. Models are always bound to a certain purpose; otherwise there is no way to tell what is relevant and what is not. There are probably more use cases than the ones we've listed, but this selection suffices to characterize the model as an important asset of enterprise architecture management. In essence, the IT group has become focused on a nonvalue-adding activity and should be challenged, not encouraged. The main difficulty of an enterprise architecture model is its constant evolution, and consequently its permanent update. Ea ) is the practice of analyzing, planning and implementing enterprise analysis to successfully execute business.. 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