California Enterprise Architecture Framework Version 2.0 August 01, 2013 California Enterprise Architecture Framework This Page is Intentionally Left Blank Version 2.0 ii August 01, 2013 California Enterprise Architecture Framework TABLE OF CONTENTS 1 Executive Summary ...................................................................................................................................................... 1 1.1 What is Enterprise Architecture? .................................................................................................. 1 1.2 Why do we need EA? .................................................................................................................... 1 1.3 What are the benefits of EA? ........................................................................................................ 2 1.4 How do we implement EA? ........................................................................................................... 2 1.5 What is CEAF 2.0 and how does it support implementation of EA? ............................................. 3 1.6 How do we know if EA is working? ............................................................................................... 4 2 Introduction ..................................................................................................................................................................... 5 2.1 Background ................................................................................................................................... 6 2.2 Purpose ......................................................................................................................................... 6 2.3 Intended Audience ........................................................................................................................ 7 2.4 Document Organization ................................................................................................................ 7 2.5 Future Directions .......................................................................................................................... 7 2.6 Deferred Decisions ........................................................................................................................ 7 3 Enterprise Architecture in the State of California ............................................................................................ 9 3.1 Enterprise Architecture Defined ................................................................................................... 9 3.2 Enterprise Architecture Vision and Benefits ............................................................................... 10 3.2.1 Vision ................................................................................................................................. 10 3.2.2 Expected Benefits .............................................................................................................. 10 3.3 Enterprise Architecture Domains ................................................................................................ 12 3.4 Business Architecture ................................................................................................................. 13 3.4.1 Business Architecture Elements ........................................................................................ 15 3.4.2 Business Reference Model ................................................................................................ 17 3.4.3 BA Future State Planning .................................................................................................. 19 3.5 Information Architecture ............................................................................................................ 20 3.5.1 Information Architecture Elements ................................................................................... 21 3.5.2 Data Reference Model ...................................................................................................... 23 3.5.3 IA Future State Planning ................................................................................................... 24 3.6 Applications Architecture ........................................................................................................... 25 3.6.1 Applications Architecture Elements .................................................................................. 25 Version 2.0 iii August 01, 2013 California Enterprise Architecture Framework 3.6.2 Service Component Reference Model ............................................................................... 27 3.6.3 AA Future State Planning .................................................................................................. 28 3.7 Technology Architecture ............................................................................................................. 29 3.7.1 Technology Architecture Elements ................................................................................... 30 3.7.2 Technical Reference Model ............................................................................................... 31 3.7.3 TA Future State Planning .................................................................................................. 33 3.8 Motivation and Cross Domain Aspects ....................................................................................... 33 3.9 Enterprise Architecture Segments .............................................................................................. 35 3.10 How does EA Fit into the Organization ....................................................................................... 36 4 California Enterprise Architecture Framework .............................................................................................. 39 4.1 EA Framework Defined ............................................................................................................... 40 4.1.1 Characteristics of an EA Framework ................................................................................. 40 4.2 CEAF 2.0: EA Framework Component Overview ........................................................................ 41 4.3 EA Deliverables ........................................................................................................................... 42 4.3.1 Current State Architecture Views ...................................................................................... 43 4.3.2 Future State Architecture Views ....................................................................................... 43 4.3.3 Enterprise Roadmap.......................................................................................................... 44 4.3.4 Content Meta Model ......................................................................................................... 45 4.3.5 EA Repository .................................................................................................................... 48 4.4 Principles ..................................................................................................................................... 48 4.4.1 Strategic Goals to EA Principles ........................................................................................ 52 4.5 Method ....................................................................................................................................... 53 4.6 Tools ............................................................................................................................................ 54 4.7 Maturity Model ........................................................................................................................... 55 4.7.1 EA Maturity Model ............................................................................................................ 55 4.7.2 EA Program Maturity Model ............................................................................................. 58 4.8 Standards .................................................................................................................................... 59 4.8.1 Reference Architectures .................................................................................................... 60 4.8.2 Information Technology Patterns ..................................................................................... 61 4.8.3 EA Standards Process ........................................................................................................ 61 4.9 Governance ................................................................................................................................. 62 4.10 Metrics ........................................................................................................................................ 68 4.11 Reporting..................................................................................................................................... 69 Version 2.0 iv August 01, 2013 California Enterprise Architecture Framework 5 Enterprise Architecture Services .......................................................................................................................... 70 5.1 Assist with Business and IT Strategies ........................................................................................ 71 5.1.1 Operating Model ............................................................................................................... 72 5.2 Portfolio Rationalization