Open Group Standard TOGAF® Version 9.1

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Part I Introduction ............................................................................... 1 Chapter 1 Introduction ............................................................................. ....... 3 1.1 Structure of the TOGAF Document ................................................ 3 1.2 Executive Overview ........................................................................ 5 Chapter 2 Core Concepts............................................................................ 9 2.1 What is TOGAF? ............................................................................ 9 2.2 What is Architecture in the Context of TOGAF? ............................. 9 2.3 What Kind of Architecture Does TOGAF Deal With?...................... 10 2.4 Architecture Development Method ................................................. 10 2.5 Deliverables, Artifacts, and Building Blocks .................................... 11 2.6 Enterpr ise Continuum ..................................................................... 13 2.7 Architecture Repositor y .................................................................. 14 2.8 Establishing and Maintaining an Enterpr ise Architecture Capability.................................................................... 16 2.9 Establishing the Architecture Capability as an Operational Entity ........................................................................... 17 2.10 Using TOGAF with Other Frameworks ........................................... 18 Chapter 3 Definitions .................................................................................... 19 Chapter 4 Release Notes............................................................................. 33 4.1 What’s New in TOGAF 9?............................................................... 33 4.1.1 Changes Applied in this Edition................................................... 35 4.2 The Benefits of TOGAF 9 ............................................................... 37 4.3 Mapping of the TOGAF 8.1.1 Structure to TOGAF 9...................... 37 4.4 Mapping of TOGAF 9 Structure to TOGAF 8.1.1............................ 39 4.5 Using TOGAF ................................................................................. 40 4.5.1 Conditions of Use ........................................................................ 40 4.5.2 How Much Does TOGAF Cost?................................................... 40 4.5.3 Downloads ................................................................................... 41 4.6 Why Join The Open Group?........................................................... 41 Part II Architecture Development Method (ADM)................ 43 Chapter 5 Introduction ................................................................................. 45 5.1 ADMOver view................................................................................ 45 TOGAF® Version 9.1 iii Evaluation Copy © 2009-2011 The Open Group, All Rights Reserved Evaluation Copy. Not for redistribution Contents 5.1.1 The ADM, Enterpr ise Continuum, and Architecture Repositor y ................................................................................... 45 5.1.2 The ADM and the Foundation Architecture ................................. 46 5.1.3 ADM and Supporting Guidelines and Techniques ....................... 46 5.2 Architecture Development Cycle .................................................... 47 5.2.1 Key Points .................................................................................... 47 5.2.2 Basic Str ucture ............................................................................ 47 5.3 Adapting the ADM .......................................................................... 50 5.4 Architecture Governance ................................................................ 51 5.5 Scoping the Architecture ................................................................ 52 5.5.1 Breadth........................................................................................ 53 5.5.2 Depth........................................................................................... 53 5.5.3 Time Period ................................................................................. 54 5.5.4 Architecture Domains .................................................................. 55 5.6 Architecture Integration .................................................................. 55 5.7 Summary ........................................................................................ 56 Chapter 6 Preliminar y Phase..................................................................... 57 6.1 Objectives ....................................................................................... 58 6.2 Approach........................................................................................ 58 6.2.1 Enterpr ise .................................................................................... 59 6.2.2 Organizational Context ................................................................ 59 6.2.3 Requirements for Architecture Wor k............................................ 60 6.2.4 Principles ..................................................................................... 60 6.2.5 Management Frameworks ........................................................... 61 6.2.6 Relating the Management Frameworks....................................... 62 6.2.7 Planning for Enter prise Architecture/Business Change Maturity Evaluation ........................................................ 63 6.3 Inputs.............................................................................................. 64 6.3.1 Reference Materials External to the Enterpr ise........................... 64 6.3.2 Non-Architectural Inputs .............................................................. 64 6.3.3 Architectural Inputs...................................................................... 64 6.4 Steps .............................................................................................. 65 6.4.1 Scope the Enterpr ise Organizations Impacted............................ 65 6.4.2 Confirm Gover nance and Support Frameworks .......................... 66 6.4.3 Define and Establish Enterpr ise Architecture Team and Organization ......................................................................... 66 6.4.4 Identify and Establish Architecture Principles .............................. 67 6.4.5 Tailor TOGAF and, if any, Other Selected Architecture Framework(s) .......................................................... 67 6.4.6 Implement Architecture Tools ...................................................... 67 6.5 Outputs........................................................................................... 68 Chapter 7 Phase A: Architecture Vision ............................................... 69 7.1 Objectives ....................................................................................... 70 7.2 Approach........................................................................................ 70 7.2.1 General ........................................................................................ 70 7.2.2 Creating the Architecture Vision .................................................. 71 7.2.3 Business Scenar ios ..................................................................... 71 7.3 Inputs.............................................................................................. 72 7.3.1 Reference Materials External to the Enterpr ise........................... 72 7.3.2 Non-Architectural Inputs .............................................................. 72 iv Open Group Standard (2011) Evaluation Copy © 2009-2011 The Open Group, All Rights Reserved Evaluation Copy. Not for redistribution Contents 7.3.3 Architectural Inputs...................................................................... 72 7.4 Steps .............................................................................................. 73 7.4.1 Establish the Architecture Project................................................ 73 7.4.2 Identify Stakeholders, Concer ns, and Business Requirements .............................................................................. 73 7.4.3 Confirm and Elaborate Business Goals, Business Dr ivers, and Constraints .............................................................. 74 7.4.4 Evaluate Business Capabilities ................................................... 74 7.4.5 Assess Readiness for Business Transfor mation.......................... 75 7.4.6 Define Scope ............................................................................... 75 7.4.7 Confirm and Elaborate Architecture Principles, including Business Principles ...................................................... 75 7.4.8 Develop Architecture Vision......................................................... 76 7.4.9 Define the Target Architecture Value Propositions and KPIs ...................................................................................... 76 7.4.10 Identify the Business Transfor mation Risks and Mitigation Activities ...................................................................... 76 7.4.11 Develop Statement of Architecture Wor k; Secure Approval....................................................................................... 77 7.5 Outputs........................................................................................... 77 Chapter 8 Phase B: Business Architecture ......................................... 79 8.1 Objectives ....................................................................................... 80 8.2 Approach........................................................................................ 80 8.2.1 General ........................................................................................ 80 8.2.2 Developing the Baseline Description ........................................... 81 8.2.3 Business Modeling ...................................................................... 81 8.2.4 Architecture Repositor y ............................................................... 83 8.3 Inputs.............................................................................................. 84 8.3.1 Reference Materials External to the Enterpr ise........................... 84 8.3.2 Non-Architectural Inputs .............................................................. 84 8.3.3 Architectural Inputs...................................................................... 84 8.4 Steps .............................................................................................. 85 8.4.1 Select Reference Models, Viewpoints, and Tools ........................ 86 8.4.2 Develop Baseline Business Architecture Descr iption................................................................................... 89 8.4.3 Develop Target Business Architecture Description ...................... 89 8.4.4 Perfor m Gap Analysis.................................................................. 89 8.4.5 Define Candidate Roadmap Components................................... 90 8.4.6 Resolve Impacts Across the Architecture Landscape ................. 90 8.4.7 Conduct Formal Stakeholder Review .......................................... 90 8.4.8 Finalize the Business Architecture .............................................. 90 8.4.9 Create Architecture Definition Document .................................... 91 8.5 Outputs........................................................................................... 91 Chapter 9 Phase C: Information Systems Architectures ............... 93 9.1 Objectives ....................................................................................... 94 9.2 Approach........................................................................................ 94 9.3 Inputs.............................................................................................. 94 9.3.1 Reference Materials External to the Enterpr ise........................... 94 9.3.2 Non-Architectural Inputs .............................................................. 94 9.3.3 Architectural Inputs...................................................................... 95 TOGAF® Version 9.1 v Evaluation Copy © 2009-2011 The Open Group, All Rights Reserved Evaluation Copy. Not for redistribution Contents 9.4 Steps .............................................................................................. 96 9.5 Outputs........................................................................................... 96 Chapter 10 Phase C: Information Systems Architectures — Data Architecture....................................................................... 97 10.1 Objectives ....................................................................................... 97 10.2 Approach........................................................................................ 97 10.2.1 Key Considerations for Data Architecture.................................... 97 10.2.2 Architecture Repositor y ............................................................... 98 10.3 Inputs.............................................................................................. 99 10.3.1 Reference Materials External to the Enterpr ise........................... 99 10.3.2 Non-Architectural Inputs .............................................................. 99 10.3.3 Architectural Inputs...................................................................... 99 10.4 Steps .............................................................................................. 100 10.4.1 Select Reference Models, Viewpoints, and Tools ........................ 101 10.4.2 Develop Baseline Data Architecture Description ......................... 103 10.4.3 Develop Target Data Architecture Description ............................. 104 10.4.4 Perfor m Gap Analysis.................................................................. 104 10.4.5 Define Candidate Roadmap Components................................... 104 10.4.6 Resolve Impacts Across the Architecture Landscape ................. 104 10.4.7 Conduct Formal Stakeholder Review .......................................... 105 10.4.8 Finalize the Data Architecture ..................................................... 105 10.4.9 Create Architecture Definition Document .................................... 105 10.5 Outputs........................................................................................... 106 Chapter 11 Phase C: Information Systems Architectures — Application Architecture......................................................... 109 11.1 Objectives ....................................................................................... 109 11.2 Approach........................................................................................ 109 11.2.1 Architecture Repositor y ............................................................... 109 11.3 Inputs.............................................................................................. 110 11.3.1 Reference Materials External to the Enterpr ise........................... 110 11.3.2 Non-Architectural Inputs .............................................................. 110 11.3.3 Architectural Inputs...................................................................... 110 11.4 Steps .............................................................................................. 111 11.4.1 Select Reference Models, Viewpoints, and Tools ........................ 112 11.4.2 Develop Baseline Application Architecture Descr iption................................................................................... 115 11.4.3 Develop Target Application Architecture Descr iption................................................................................... 115 11.4.4 Perfor m Gap Analysis.................................................................. 115 11.4.5 Define Candidate Roadmap Components................................... 116 11.4.6 Resolve Impacts Across the Architecture Landscape ................. 116 11.4.7 Conduct Formal Stakeholder Review .......................................... 116 11.4.8 Finalize the Application Architecture ........................................... 116 11.4.9 Create Architecture Definition Document .................................... 117 11.5 Outputs........................................................................................... 117 Chapter 12 Phase D: Technology Architecture .................................... 119 12.1 Objectives ....................................................................................... 120 12.2 Approach........................................................................................ 120 12.2.1 Architecture Repositor y ............................................................... 120 vi Open Group Standard (2011) Evaluation Copy © 2009-2011 The Open Group, All Rights Reserved Evaluation Copy. Not for redistribution Contents 12.3 Inputs.............................................................................................. 120 12.3.1 Reference Materials External to the Enterpr ise........................... 120 12.3.2 Non-Architectural Inputs .............................................................. 121 12.3.3 Architectural Inputs...................................................................... 121 12.4 Steps .............................................................................................. 122 12.4.1 Select Reference Models, Viewpoints, and Tools ........................ 123 12.4.2 Develop Baseline Technology Architecture Descr iption................................................................................... 126 12.4.3 Develop Target Technology Architecture Descr iption................................................................................... 127 12.4.4 Perfor m Gap Analysis.................................................................. 127 12.4.5 Define Candidate Roadmap Components................................... 127 12.4.6 Resolve Impacts Across the Architecture Landscape ................. 127 12.4.7 Conduct Formal Stakeholder Review .......................................... 128 12.4.8 Finalize the Technology Architecture........................................... 128 12.4.9 Create Architecture Definition Document .................................... 128 12.5 Outputs........................................................................................... 129 12.6 Postscr ipt ........................................................................................ 130 Chapter 13 Phase E: Opportunities & Solutions.................................. 131 13.1 Objectives ....................................................................................... 132 13.2 Approach........................................................................................ 132 13.3 Inputs.............................................................................................. 133 13.3.1 Reference Materials External to the Enterpr ise........................... 133 13.3.2 Non-Architectural Inputs .............................................................. 133 13.3.3 Architectural Inputs...................................................................... 133 13.4 Steps .............................................................................................. 134 13.4.1 Determine/Confir m Key Cor porate Change Attributes ................ 135 13.4.2 Determine Business Constraints for Implementation .................. 135 13.4.3 Review and Consolidate Gap Analysis Results from Phases B to D.............................................................................. 135 13.4.4 Review Consolidated Requirements Across Related Business Functions ..................................................................... 136 13.4.5 Consolidate and Reconcile Interoperability Requirements .............................................................................. 136 13.4.6 Refine and Validate Dependencies ............................................. 136 13.4.7 Confirm Readiness and Risk for Business Transfor mation............................................................................. 137 13.4.8 For mulate Implementation and Migration Strategy ...................... 137 13.4.9 Identify and Group Major Wor k Packages ................................... 137 13.4.10 Identify Transition Architectures................................................... 138 13.4.11 Create the Architecture Roadmap & Implementation and Migration Plan....................................................................... 138 13.5 Outputs........................................................................................... 139 Chapter 14 Phase F: Migration Planning................................................. 141 14.1 Objectives ....................................................................................... 142 14.2 Approach........................................................................................ 142 14.3 Inputs.............................................................................................. 142 14.3.1 Reference Materials External to the Enterpr ise........................... 142 14.3.2 Non-Architectural Inputs .............................................................. 142 14.3.3 Architectural Inputs...................................................................... 143 TOGAF® Version 9.1 vii Evaluation Copy © 2009-2011 The Open Group, All Rights Reserved Evaluation Copy. Not for redistribution Contents 14.4 Steps .............................................................................................. 144 14.4.1 Confirm Management Framework Interactions for the Implementation and Migration Plan ............................................. 145 14.4.2 Assign a Business Value to Each Wor k Package ........................ 145 14.4.3 Estimate Resource Requirements, Project Timings, and Availability/Deliver y Vehicle .................................................. 146 14.4.4 Prior itize the Migration Projects through the Conduct of a Cost/Benefit Assessment and Risk Validation ..................................................................................... 146 14.4.5 Confirm Architecture Roadmap and Update Architecture Definition Document ................................................ 147 14.4.6 Generate the Implementation and Migration Plan ....................... 147 14.4.7 Complete the Architecture Development Cycle and Document Lessons Learned ....................................................... 147 14.5 Outputs........................................................................................... 148 Chapter 15 Phase G: Implementation Governance............................. 149 15.1 Objectives ....................................................................................... 150 15.2 Approach........................................................................................ 150 15.3 Inputs.............................................................................................. 151 15.3.1 Reference Materials External to the Enterpr ise........................... 151 15.3.2 Non-Architectural Inputs .............................................................. 151 15.3.3 Architectural Inputs...................................................................... 151 15.4 Steps .............................................................................................. 152 15.4.1 Confirm Scope and Prior ities for Deployment with Development Management.......................................................... 152 15.4.2 Identify Deployment Resources and Skills .................................. 153 15.4.3 Guide Development of Solutions Deployment ............................. 153 15.4.4 Perfor m Enter prise Architecture Compliance Reviews ....................................................................................... 154 15.4.5 Implement Business and IT Operations ...................................... 154 15.4.6 Perfor m Post-Implementation Review and Close the Implementation ............................................................................ 154 15.5 Outputs........................................................................................... 154 Chapter 16 Phase H: Architecture Change Management................. 157 16.1 Objectives ....................................................................................... 158 16.2 Approach........................................................................................ 158 16.2.1 Drivers for Change....................................................................... 159 16.2.2 Enterpr ise Architecture Change Management Process .............. 160 16.2.3 Guidelines for Maintenance versus Architecture Redesign ..................................................................................... 161 16.3 Inputs.............................................................................................. 162 16.3.1 Reference Materials External to the Enterpr ise........................... 162 16.3.2 Non-Architectural Inputs .............................................................. 162 16.3.3 Architectural Inputs...................................................................... 162 16.4 Steps .............................................................................................. 163 16.4.1 Establish Value Realization Process ........................................... 164 16.4.2 Deploy Monitor ing Tools .............................................................. 164 16.4.3 Manage Risks .............................................................................. 164 16.4.4 Provide Analysis for Architecture Change Management ................................................................................ 164 [Show More]

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