1. Case Study: Enterprise Architecture at Best Buy Eric Dungan Wizard, Enterprise Architecture Center of Excellence eric.dungan@bestbuy.com (612) 291-4626 Curt Abraham Sage, Enterprise Architecture Center of Excellence curt.abraham@bestbuy.com (612) 291-4620 June 8, 2004

2. Agenda Overview of Best Buy Challenges that drive the need for Enterprise Architecture (EA) What is the value created by Enterprise Architecture? Agility: Model based, service oriented Enterprise Architecture at Best Buy Acknowledgements / Questions

3. Best Buy $24.5BRevenue 763Stores 80,000Employees

4. Challenges that drive the need for EA Consumer Expectations Change with the marketplace Understand & exceed customer needs Enhance the customer experience across channels

5. Challenges that drive the need for EA Business Imperatives Four Company Strategic Priorities Customer Centricity Efficient Enterprise Win the Home with Service Win Entertainment

6. Challenges that drive the need for EA IS Challenges Complex Interdependencies New Architectures Reducing Complexity Scalability, reliability and availability Service Oriented Architecture Web Services Architecture

7. The Value Created by Enterprise Architecture Agility Architecture Why did Best Buy create the Agility Architecture? Ask Sarah Winchester Fact: Mrs. Winchester never had a master set of blueprints, but did sketch out individual rooms on paper and even tablecloths!

8. The Value Created by Enterprise Architecture Agility Architecture Agility gives us a universal blueprint throughout the Enterprise to rebuild, add-on, or sunset parts of our house! Business Team IS Team Best Buy RetailDomination

9. The Value Created by Enterprise Architecture Agility Architecture Helps business and IS work toward a common framework and roadmap Identifies redundancies & silos Helps IS & business customers make more informed decisions Increases leverage with acquisitions and alliances Leverages knowledge management

10. Enterprise Architecture at Best Buy Agility Enterprise Architecture In the next few slides –Overview of the Agility Architecture Framework –Overview of the Agility Architecture Methodology –Impacts of Agility Enterprise Architecture at Best Buy

11. Enterprise Architecture at Best Buy Agility Enterprise Architecture Framework Business View Operational View Systems View Technology View REQUIREMENTS CAPABILITIES Proact Business Transformation Toolkit ® - Copyright 2004 Used with permission Proact Holistic Framework Enterprise Architecture Models for… Business Market & Product Planners Operational, Process, & Organizational Planners Systems Planners Technology Infrastructure Planners & Designers

12. Enterprise Architecture at Best Buy Agility Enterprise Architecture Methodology Proact Business Transformation Toolkit ® - Copyright 2004 Used with permission

13. Enterprise Architecture at Best Buy Agility Reference Models Operations Reference Model Systems Reference Model Technology Services Reference Model Proact Business Transformation Toolkit ® - Copyright 2004 Used with permission

14. Enterprise Architecture at Best Buy Agility Target System Architecture System Information Exchange Diagram Target System Diagram Proact Business Transformation Toolkit ® - Copyright 2004 Used with permission System Family Information Exchange Diagram System Sequence Diagram

15. Enterprise Architecture at Best Buy Agility Migration Strategy Planning Target Architecture Current Architecture Roadmaps Project ~~~~~~~ Project Plans Portfolio ~~~~~~~ Investment Plans Alignment with cross project dependencies (function, and schedule). Aligned with project approval & funding Aligned with planning & budgeting Proact Business Transformation Toolkit ® - Copyright 2004 Used with permission

16. Enterprise Architecture at Best Buy Impacts of Agility Enterprise Architecture Cost savings by getting alignment of capabilities Elevated role of Enterprise Architecture within Business and Operational planning IS department was re-organized around capability areas IS plans are aligned to Agility roadmaps IS capability leaders are aligned to Agility program Creates additional governance capabilities for IS IS technology services consolidated

17. Acknowledgements & Questions Acknowledgements IS and Business Leadership at Best Buy Enterprise Architecture Group at Best Buy Proact Business Transformation Inc. www.proact-ea.com Questions