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The international definition according to the Federation of Enterprise Architecture Professional Organizations is "a well-defined practice for conducting enterprise analysis, design, planning, and implementation, using a comprehensive approach at all times, for the successful development and execution of strategy.
Enterprise architecture regards the enterprise as a large and complex system or system of systems. [3] To manage the scale and complexity of this system, an architectural framework provides tools and approaches that help architects abstract from the level of detail at which builders work, to bring enterprise design tasks into focus and produce valuable architecture description documentation.
Enterprise architecture management (EAM) is a "management practice that establishes, maintains and uses a coherent set of guidelines, architecture principles and governance regimes that provide direction and practical help in the design and development of an enterprise's architecture to achieve its vision and strategy." [1]
Aspects of a business represented by a business architecture diagram [1]. In the business sector, business architecture is a discipline [citation needed] that "represents holistic, multidimensional business views of: capabilities, end-to-end value delivery, information, and organizational structure; and the relationships among these business views and strategies, products, policies ...
Enterprise engineering is the body of knowledge, principles, and practices used to design all or part of an enterprise. [1] An enterprise is a complex socio-technical system that comprises people, information, and technology that interact with each other and their environment in support of a common mission.
The separate levels of an enterprise architecture are interrelated in a special way. On every level the architectures assumes or dictates the architectures at the higher level. The illustration on the right gives an example of which elements can constitute an Enterprise Architecture. Sample elements of an Enterprise Architecture (1989).
The Enterprise Architecture Body of Knowledge (EABOK) is a guide to Enterprise Architecture produced by MITRE's Center for Innovative Computing and Informatics, and is substantially funded by US government agencies. It provides a critical review of enterprise architecture issues in the context of the needs of an organization.
Applications architecture strategy involves ensuring the applications and the integration align with the growth strategy of the organization. If an organization is a manufacturing organization with fast growth plans through acquisitions, the applications architecture should be nimble enough to encompass inherited legacy systems as well as other large competing systems.