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This VA Zachman Framework Portal is still in use as a reference model for example in the determination of EA information collected from various business and project source documents. Eventually, an enterprise architecture repository was created at the macro level by the Zachman framework and at a cell level by the meta-model outlined below. [39]
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.
IT portfolio management. IT portfolio management is the application of systematic management to the investments, projects and activities of enterprise Information Technology (IT) departments. Examples of IT portfolios would be planned initiatives, projects, and ongoing IT services (such as application support).
Application portfolio management. IT Application Portfolio Management ( APM) is a practice that has emerged in mid to large-size information technology (IT) organizations since the mid-1990s. [ 1] Application Portfolio Management attempts to use the lessons of financial portfolio management to justify and measure the financial benefits of each ...
Segment architecture. Segment architecture is a detailed, formal description of areas within an enterprise, used at the program or portfolio level to organize and align change activity. [1] It defines a simple roadmap for a core mission area, business service, or enterprise service. Segment architecture is driven by business management and ...
An applications architecture describes the behavior of applications used in a business, focused on how they interact with each other and with users. It is focused on the data consumed and produced by applications rather than their internal structure. In application portfolio management, applications are mapped to business functions and ...
The ISO/IEC/IEEE 42010 Conceptual Model of Architecture Description [1] defines the term architecture framework within systems engineering and software development [2] as: "An architecture framework establishes a common practice for creating, interpreting, analyzing and using architecture descriptions within a particular domain of application or stakeholder community.
Enterprise architecture (EA) is a management best practice for aligning business and technology resources to achieve strategic outcomes, improve organizational performance and guide federal agencies to better execute their core missions. An EA describes the current and future state of the agency, and lays out a plan for transitioning from the ...