Value - Development - Methodology - Document Description
The Enterprise-wide Information Architecture (EIA) Methodology is as follows:
The process of defining an effective information environment begins with an understanding of:
These form the core of the business drivers. From these business drivers, business information requirements derive.
Planning documents, interviews, and discussions with business units provide the insights necessary to justify future Information Technology decisions. These discussions explore the processes, ramifications, and technology that drive each business unit, the interaction among units, the sharing of information, and the vision each has for the strategic use of said information technology. The discussions reveal why the current Information Technology infrastructure is not meeting the needs of the business today. In addition, the requirements for the future as defined by the business drivers.
Added to this business information base is the knowledge of industry best practices, current industry trends, and current technology trends from external sources and advisory research firms. All of these inputs (business drivers; derived information technology requirements; insights from the existing environments; industry trends and best practices, etc.) create vision architecture. That is, a set of principles, guidelines, frameworks, standards, and product alternatives that would be components of an ideal Information Technology environment.
The existing environment and vision architecture become inputs in a gap analysis process. This gap analysis assesses the capabilities and deficiencies of the existing information infrastructure components to satisfy the business drivers and current infrastructure deficiencies.
The results of the gap analysis identify infrastructure, application, and data components to add, modify, and/or replace to satisfy that vision.
Finally, a migration plan recommends the alternatives and initiatives necessary to upgrade this environment and estimated resources (people, materials, and money), and time period for each initiative.
This top-down process ensures that new processing environments:
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