How does IT security functions at each level of the EA3 framework?

An integrated set security and privacy controls for the enterprise is created by including these considerations security in the planning, design, implementation, and operation of all EA components and artifacts. For information-centric enterprises, including IT security and data privacy as required design elements of EA components, and having leadership support at the strategic and line… Continue reading How does IT security functions at each level of the EA3 framework?

What is the role of an EA framework within the EA methodology?

The framework should identify the areas of the enterprise that the EA will cover, and how those areas relate. For example, the EA3 framework identifies five functional areas and three ‘thread’ areas to be documented, organizes different types of components, and then orients the components into lines of business. These relationships are important in conveying… Continue reading What is the role of an EA framework within the EA methodology?

Why are hierarchical levels of an EA framework helpful in documenting an enterprise?

The five levels of the EA3 Framework are hierarchical and integrated so that separate sub-architectures are not needed to reflect different levels or functional areas of the enterprise. The architectural areas covered at each level are arranged to position high-level strategic goals at the top, general business services and information flows in the middle, and… Continue reading Why are hierarchical levels of an EA framework helpful in documenting an enterprise?

What are EA components and how do they relate to a framework?

While an EA framework provides an overall structure for modeling the enterprise’s business and technology operating environment, EA components are the working elements of the framework at each level. In other words, EA components are building blocks that create discrete parts of the overall IT operational capability. EA artifacts describe EA components.

What is the IDEF-0 modeling technique and how can it be used to document EA components at the Business Level of the EA3 framework?

The Integration Definition for Function, or IDEF technique. Developed in the mid-1970’s for modeling complex military projects, IDEF-0 uses Inputs, Outputs, Controls and Mechanisms (ICOM) to show the parts of an activity within an enterprise. IDEF-0 activity modeling is suitable for business process documentation in that it provides both high level context views, and more… Continue reading What is the IDEF-0 modeling technique and how can it be used to document EA components at the Business Level of the EA3 framework?