TOGAF® Version 9.1 - A Pocket Guide

TOGAF® VERSION 9.1 – A POCKET GUIDE

The Open Group Publications available from Van Haren Publishing

The TOGAF Series:

TOGAF® Version 9.1

TOGAF® Version 9.1 - A Pocket Guide

TOGAF® 9 Foundation Study Guide, 2nd Edition

TOGAF® 9 Certified Study Guide, 2nd Edition

The Open Group Series:

Cloud Computing for Business — The Open Group Guide

Archimate® 2.0 Specification (Publishes 2012)

The Open Group Security Series:

Open Information Security Management Maturity Model (O-ISM3)

Open Enterprise Security Architecture (O-ESA)

Risk Management — The Open Group Guide

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In the event of any discrepancy between text in this document and the official TOGAF documentation, the TOGAF documentation remains the authoritative version for certification, testing by examination, and other purposes. The official TOGAF documentation can be obtained online at www.opengroup.org/togaf.

TOGAF® Version 9.1

A Pocket Guide

Document Number: G117

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Contents

Preface

Trademarks

About the Authors

Acknowledgements

1       Introduction

1.1     Introduction to TOGAF

1.2     Structure of the TOGAF Document

1.3     What is Architecture in the Context of TOGAF?

1.4     What kinds of Architecture does TOGAF deal with?

1.5     What does TOGAF Contain?

1.5.1     The Architecture Development Method (ADM)

1.5.2     ADM Guidelines and Techniques

1.5.3     Architecture Content Framework

1.5.4     The Enterprise Continuum

1.5.5     TOGAF Reference Models

1.5.6     The Architecture Capability Framework

2       The Architecture Development Method

2.1     What is the ADM?

2.2     What are the Phases of the ADM?

2.3     The ADM in Detail

2.3.1     Preliminary Phase

2.3.2     Phase A: Architecture Vision

2.3.3     Phase B: Business Architecture

2.3.4     Phase C: Information Systems Architectures

2.3.5     Phase D: Technology Architecture

2.3.6     Phase E: Opportunities and Solutions

2.3.7     Phase F: Migration Planning

2.3.8     Phase G: Implementation Governance

2.3.9     Phase H: Architecture Change Management

2.3.10   Requirements Management

2.4     Scoping the Architecture Activity

3       Key Techniques and Deliverables of the ADM Cycle

3.1     Tailored Architecture Framework

3.2     Organizational Model for Enterprise Architecture

3.3     Architecture Principles

3.3.1     Developing Architecture Principles

3.3.2     Defining Architecture Principles

3.3.3     Qualities of Principles

3.3.4     Applying Architecture Principles

3.4     Business Principles, Business Goals, and Business Drivers

3.5     Architecture Repository

3.6     Architecture Tools

3.7     Request for Architecture Work

3.8     Statement of Architecture Work

3.9     Architecture Vision

3.10   Stakeholder Management

3.10.1   Steps in the Stakeholder Management Process

3.11   Communications Plan

3.12   Business Transformation Readiness Assessment

3.13   Capability Assessment

3.14   Risk Management

3.15   Architecture Definition Document

3.15.1   Business Architecture

3.15.2   Information Systems Architectures

3.15.3   Technology Architecture

3.16   Architecture Requirements Specification

3.16.1   Business Architecture Requirements

3.16.2   Information Systems Architectures Requirements

3.16.3   Technology Architecture Requirements

3.16.4   Interoperability Requirements

3.17   Architecture Roadmap

3.18   Business Scenarios

3.19   Gap Analysis

3.20   Architecture Viewpoints

3.21   Architecture Views

3.21.1   Developing Views in the ADM

3.22   Architecture Building Blocks

3.23   Solution Building Blocks

3.24   Capability-Based Planning

3.25   Migration Planning Techniques

3.25.1   Implementation Factor Assessment and Deduction Matrix

3.25.2   Consolidated Gaps, Solutions, and Dependencies Matrix

3.25.3   Architecture Definition Increments Table

3.25.4   Transition Architecture State Evolution Table

3.25.5   Business Value Assessment Technique

3.26   Implementation and Migration Plan

3.27   Transition Architecture

3.28   Implementation Governance Model

3.29   Architecture Contracts

3.30   Change Request

3.31   Compliance Assessment

3.32   Requirements Impact Assessment

4       Guidelines for Adapting the ADM

4.1     Introduction

4.2     Applying Iteration to the ADM

4.3     Applying the ADM across the Architecture Landscape

4.4     Security Architecture and the ADM

4.5     Using TOGAF to Define and Govern SOAs

4.5.1     Using TOGAF for SOA

5     Architecture Content Framework

5.1     Architecture Content Framework Overview

5.2     Content Metamodel

5.2.1     Core and Extensions

5.2.2     Catalogs, Matrices, and Diagrams

5.3     Architectural Artifacts

5.4     Architecture Deliverables

5.5     Building Blocks

6       The Enterprise Continuum

6.1     Overview of the Enterprise Continuum

6.1.1     The Enterprise Continuum and Architecture Re-Use

6.1.2     Using the Enterprise Continuum within the ADM

6.2     Architecture Partitioning

6.3     Architecture Repository

6.3.1     The Enterprise Repository

7       TOGAF Reference Models

7.1     TOGAF Foundation Architecture

7.1.1     Technical Reference Model (TRM)

7.2     Integrated Information Infrastructure Reference Model (III-RM)

8       Architecture Capability Framework

8.1     Establishing an Architecture Capability

8.2     Architecture Governance

8.3     Architecture Board

8.4     Architecture Compliance

8.5     Architecture Skills Framework

Appendix A Migration Summary

Glossary

Index

Preface

This Document

This is the Pocket Guide to TOGAF®, an Open Group Standard, Version 9.1. It is intended to help architects focus on the efficient and effective operations of their organization and senior managers understand the basics of TOGAF. It is organized as follows:

•   Chapter 1 provides a high-level view of TOGAF, enterprise architecture, and the contents and key concepts of TOGAF.

•   Chapter 2 provides an introduction to the Architecture Development Method (ADM), the method that TOGAF provides to develop enterprise architectures.

•   Chapter 3 provides an overview of key techniques and deliverables of the ADM cycle.

•   Chapter 4 provides an overview of the guidelines for adapting the ADM.

•   Chapter 5 provides an introduction to the Architecture Content Framework, a structured metamodel for architectural artifacts.

•   Chapter 6 provides an introduction to the Enterprise Continuum, a high-level concept that can be used with the ADM to develop an enterprise architecture.

•   Chapter 7 provides an introduction to the TOGAF Reference Models, including the TOGAF Foundation Architecture and the Integrated Information Infrastructure Reference Model (III-RM).

•   Chapter 8 provides an introduction to the Architecture Capability Framework, a set of resources provided for establishment and operation of an architecture function within an enterprise.

•   Appendix A provides an overview of the differences between TOGAF 9.1 and TOGAF 8.1.1, and also a summary of the changes between TOGAF 9 and 9.1.

The audience for this document is:

•   Enterprise architects, business architects, IT architects, data architects, systems architects, solutions architects, and senior managers seeking a first introduction to TOGAF

A prior knowledge of enterprise architecture is not required. After reading this document, the reader seeking further information should refer to the TOGAF documentation¹ available online at www.opengroup.org/architecture/togaf9-doc/arch and also available as a hardcopy book.

About TOGAF Version 9.1

TOGAF 9.1 is a maintenance update to TOGAF 9, addressing comments raised since the introduction of TOGAF 9 in 2009. It retains the major features and structure of TOGAF 9 including:

Modular Structure: TOGAF 9 has a modular structure. The modular structure supports:

•   Greater usability – defined purpose for each part; can be used in isolation as a standalone set of guidelines

•   Incremental adoption of the TOGAF specification

Content Framework: TOGAF 9 includes a content framework to drive greater consistency in the outputs that are created when following the Architecture Development Method (ADM). The TOGAF content framework provides a detailed model of architectural work products.

Extended Guidance: TOGAF 9 features an extended set of concepts and guidelines to support the establishment of an integrated hierarchy of architectures being developed by teams within larger organizations that operate within an overarching architectural governance model. In particular, the following concepts are introduced:

•   Partitioning: A number of techniques and considerations on how to partition the various architectures within an enterprise.

•   Architecture Repository: A logical information model for an Architecture Repository which can be used as an integrated store for all outputs created by executing the ADM.

•   Capability Framework: A structured definition of the organization, skills, roles, and responsibilities required to operate an effective enterprise architecture capability. TOGAF also provides guidance on a process that can be followed to identify and establish an appropriate architecture capability.

Architectural Styles: TOGAF 9, in Part III: ADM Guidelines & Techniques, brings together a set of supporting materials that show in detail how the ADM can be applied to specific situations:

•   The varying uses of iteration that are possible within the ADM and when each technique should be applied

•   The linkages between the TOGAF ADM and Service Oriented Architecture (SOA)

•   The specific considerations required to address security architecture within the ADM

•   The various types of architecture development required within an enterprise and how these relate to one another

Additional ADM Detail: TOGAF 9 includes additional detailed information over earlier versions of TOGAF for supporting the execution of the ADM. Particular areas of enhancement are:

•   The Preliminary phase features extended guidance on establishing an enterprise architecture capability