Modeling Enterprise Architecture with TOGAF. A Practical Guide Using UML and BPMN

Title Page......Page 1
Copyright......Page 3
Who is this book for?......Page 4
Acknowledgments......Page 5
Foreword......Page 6
Positioning and history......Page 8
``A?? for Enterprise Architecture......Page 9
``F?? for framework......Page 10
The TOGAF document......Page 11
ADM and the TOGAF crop circle diagram......Page 12
From baseline architecture to target architecture......Page 13
Transforming architecture......Page 14
Transition architectures and increments (states)......Page 15
Gap analysis......Page 16
The concept of capability......Page 17
Domains and phases......Page 18
Architecture repository......Page 19
Stakeholders and the human factor......Page 20
Managing stakeholders......Page 21
Views and viewpoints......Page 22
Architecture principles......Page 23
Summary......Page 24
Adapting the framework......Page 25
TOGAF: One framework among many?......Page 26
TOGAF and ITIL......Page 27
TOGAF and CMMI......Page 29
Fundamental concepts......Page 31
The ADM Method......Page 32
The breakdown into phases......Page 33
The typical path......Page 35
Phase A (vision)......Page 36
Phases B, C, and D (Elaboration of Business, Information System, and Technology Architectures)......Page 37
Phase C (information systems architecture)......Page 38
Phases E and F (opportunities and solutions, migration planning)......Page 39
Functional requirements and nonfunctional requirements......Page 40
Centralized requirements management......Page 41
Business scenarios......Page 43
Priority to target architecture or baseline architecture......Page 44
ADM techniques and guidelines......Page 45
Techniques in ADM phases......Page 46
Fundamental concepts......Page 47
The Components of TOGAF Architecture......Page 48
Artifacts, deliverables, and building blocks......Page 49
The ``TOGAF core metamodel??......Page 50
Metamodel extensions......Page 52
Relationship to ADM phases......Page 54
Artifacts......Page 55
Catalogs, matrices, and diagrams......Page 56
Tools and languages......Page 57
Architecture building blocks and solution building blocks......Page 58
Deliverables and ADM phases......Page 59
Deliverables linked to principles, goals, and requirements......Page 60
Fundamental concepts......Page 61
The Repository and Governance......Page 63
The structure of the repository......Page 64
The landscape......Page 65
The technical reference model......Page 66
Repository tooling......Page 68
The architecture board......Page 69
Compliance reviews......Page 70
Fundamental concepts......Page 71
Key Modeling Techniques......Page 73
History......Page 74
Communicating, sharing, and collaborating......Page 75
Abstraction......Page 76
Formal or informal models......Page 77
The angle from which a problem is looked at......Page 78
View and viewpoint: Definition......Page 79
Usefulness of views......Page 81
TOGAF viewpoints......Page 82
Diagrams for communicating......Page 83
What is a ``good?? model?......Page 85
Traceability links......Page 86
Using traceability in enterprise architecture......Page 87
Architecture repository......Page 88
A partial description of the problem......Page 89
Confining modeling work......Page 90
Usefulness and support: Major criteria......Page 91
Repository governance......Page 92
Tools available in the marketplace......Page 95
Fundamental concepts......Page 97
Using models to realize artifacts......Page 98
Preliminary phase: Determining useful artifacts in the context of the enterprise......Page 99
Structuring artifacts......Page 100
Organization of the model......Page 101
Panorama of standards that are useful for TOGAF......Page 103
The BPMN standard......Page 104
Adapting standards to TOGAF: The Enterprise Architecture Profile......Page 105
The ``Discount Travel?? enterprise......Page 106
Fundamental concepts......Page 107
Nature of phase A artifacts: Vision......Page 108
Essential concepts used in models......Page 109
Stakeholder matrix......Page 110
Goals: A companys reason for being......Page 111
Identifying goals......Page 112
Defining priorities for goals......Page 113
Summary of best practices for defining goals......Page 114
Description of the artifact......Page 115
The ``Goal catalog?? artifact......Page 117
Description of the artifact......Page 119
Goals and requirements......Page 121
Description of the artifact......Page 123
Modeling business processes in phase A......Page 124
Description of the artifact......Page 125
The enterprises key business processes......Page 126
The ``Event diagram?? artifact (intermediate view)......Page 128
The ``Event diagram?? artifact (view focused on a process)......Page 129
Business process catalog......Page 130
Definition of the artifact......Page 132
Providing the envisaged solution with an orientation......Page 135
Definition of the artifact......Page 136
Fundamental concepts......Page 138
Models for Phase B: Business Architecture......Page 139
Essential concepts used in business architecture models......Page 140
Terminology: The cornerstone of business knowledge......Page 143
Actors and roles......Page 145
The actor model clarifies enterprise functioning......Page 146
Actor-centric view: Definition of positions......Page 147
Actor catalog......Page 148
The ``organization decomposition diagram-flows?? artifact......Page 149
The ``organization decomposition diagram-role allocation?? artifact......Page 150
The ``location organization diagram?? artifact......Page 152
The ``location diagram?? artifact......Page 153
Summarized representation of the enterprises capacities......Page 155
Description of the artifact......Page 157
Description of the artifact......Page 159
Description of the artifact......Page 161
The ``service/information diagram?? artifact......Page 163
The ``business footprint diagram?? artifact......Page 164
Description of the artifact......Page 165
Further details brought to the model......Page 168
Using conceptual data diagrams......Page 169
The ``product lifecycle diagram?? artifact......Page 170
Fundamental concepts......Page 171
Models for Phase C: Information System Architecture......Page 172
SOA architecture: Typology of application components......Page 173
Essential concepts used in models......Page 176
Description of the artifact......Page 177
Modeling application architecture......Page 179
Description of the artifact......Page 180
Building the migration strategy in accordance with the application evolution path......Page 181
Description of the artifact......Page 182
Study of the geographical distribution of users and applications......Page 183
Description of the artifact......Page 184
Application use cases: Principles......Page 185
Description of the artifact......Page 186
Strengthening application communication diagrams: Sequences and synchronizations......Page 188
The ``enterprise manageability diagram?? artifact......Page 189
The ``data dissemination diagram?? artifact (Figure9.11)......Page 191
The ``data security diagram?? artifact......Page 194
The ``data migration diagram?? artifact......Page 196
The ``service data diagram?? artifact (Figure9.14)......Page 198
Fundamental concepts......Page 199
Nature of phase D artifacts: Technology architecture......Page 200
Essential concepts used in technology architecture......Page 201
The ``Environment and location diagram?? artifact......Page 202
The ``Processing diagram?? artifact......Page 204
The ``Network computing hardware diagram?? artifact......Page 206
Fundamental concepts......Page 208
The ``Benefits diagram?? artifact......Page 209
Project context diagrams......Page 211
SOA, Processes, and Information......Page 214
SOA in TOGAF......Page 215
Organizing components......Page 216
Reuse through copying and pooling......Page 217
The price of pooling......Page 218
The BPM-SOA couple......Page 219
The central role of business processes......Page 221
Main characteristics of business processes......Page 222
Parallelism......Page 223
Types of sequences......Page 224
Batch processing and desynchronization......Page 226
Identification, qualification, and modeling......Page 227
Qualification......Page 228
Modeling......Page 229
The process driver......Page 230
BPM, BPMN, standards, and tools......Page 231
Information......Page 232
Resources and messages......Page 233
Data exchange in the system......Page 234
Managing interoperability......Page 235
Fundamental concepts......Page 236
Introduction......Page 237
Presentation of the AMUE......Page 238
The Government Architecture Reference Model (GARM) of the French states IS......Page 239
Mapping what already exists......Page 240
Findings and thoughts......Page 241
The author......Page 242
Enterprise architecture work applied to the emergence of Smart Grid applications......Page 243
Useful links......Page 247
The ArchiMate standard......Page 248
Business layer......Page 250
Technology layer......Page 252
Detailed mapping......Page 254
Fundamental concepts......Page 257
How UML and BPMN are used to support TOGAF modeling......Page 258
Conventions for presenting EAP extensions......Page 259
Vision and requirements......Page 260
Global structure and architecture domains......Page 261
Data architecture......Page 263
Business architecture (Figure15.6)......Page 265
Application architecture (Figure15.8)......Page 269
Technology architecture (Figure15.10)......Page 273
Fundamental concepts......Page 274
Glossary......Page 275
Bibliography......Page 279
A......Page 280
D......Page 281
I......Page 282
R......Page 283
T......Page 284
V......Page 285