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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 ...
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]
The Architecture Development Method (ADM) is applied to develop an enterprise architecture which will meet the business and information technology needs of an organization. It may be tailored to the organization's needs and is then employed to manage the execution of architecture planning activities. [18] The process is iterative and cyclic.
Business Architecture is directly based on business strategy. It is the foundation for subsequent architectures (strategy embedding), where it is detailed into various aspects and disciplines. The business strategy can consist of elements like strategy statements, organizational goals and objectives, generic and/or applied business models, etc.
Business Processes: This component of the Enterprise Architecture describes the core business processes which support the organization's missions. The Business Processes component is a high-level analysis of the work the agency performs to support the organizations's mission, vision, and goals, and is the foundation of the ITA.
The current architecture is built on a set of principles and methodologies for achieving speed to market, business agility, and lower total cost of ownership. It focuses on the business, the business model, business processes, intellectual property and customers. [4] [8] [9]
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.