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Enterprise Architecture as a Decision-Making Framework

Enterprise Architecture as a Decision-Making Framework. SEARCH Symposium SOA Workshop Washington, DC March 12, 2006 Scott Came Chief Enterprise Architect Washington Department of Information Services. scottca@dis.wa.gov (360) 902-3519. What is Enterprise Architecture?.

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Enterprise Architecture as a Decision-Making Framework

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  1. Enterprise Architecture as a Decision-Making Framework SEARCH Symposium SOA Workshop Washington, DC March 12, 2006 Scott Came Chief Enterprise Architect Washington Department of Information Services scottca@dis.wa.gov (360) 902-3519

  2. What is Enterprise Architecture? • Tool that informs and guides technology decision-making • Planning decisions • Investment decisions • Solution Design decisions • Tool consists of principles, policies, standards, guidelines, processes, reference models/architectures—anything that can help us make better decisions!

  3. Why the focus on decisions? • Decisions move us from the “as-is” to the “to-be”, one frequent step at a time • We want to make our decision-making as effective as possible • Focus on decisions makes EA action-oriented, real, and practical…rather than theoretical

  4. Value of Enterprise Architecture • EA promotes decisions that: • Align plans and investments with business priorities and needs • Result in more citizen-friendly, integrated services • Promote a more efficient IT infrastructure • Facilitate cross-organizational sharing of enterprise information • Recognize innovations and best practices from across the enterprise • Are more consistent and predictable • Trace back to principles and rules

  5. EA Frameworks • Help organize the elements we build to support decisions (the principles, policies, standards, reference models, etc.) • Easier to include new elements • Easier to find existing elements • Promote reuse of architectural best practices • Examples: NASCIO, TOGAF, Zachman, Federal EA

  6. NASCIO Framework (simplified) Over-arching Principles, Drivers, Trends Business Architecture Information Architecture Technology Architecture Add: Reference Architectures Solution Architecture • Roles: • Approver • Reviewer • Documenter • Champion • Manager • etc.

  7. EA, SOA, and Information Sharing Reference SOA Integration: Principles Information Sharing Defines Approach Define Requirements Environmental Trends Business Drivers Business Architecture Information Architecture Technology Architecture Solution Architecture

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