Anup Das is a chief enterprise architect and the regional delivery head for the SAP Transformation Hub in North America. He leads a team of enterprise architects and is responsible for accelerating business transformations for strategic customers using SAP Enterprise Architecture Framework and SAP MaxAttention architecture planning services.

Anup is a graduate of mechanical engineering and post-graduate of marketing management. He has more than 23 years of professional experience in SAP consulting, SAP premium engagement, people management, project management, sales and sales support, and as head of SAP S/4HANA and supply chain practice. Anup is also an experienced trainer and coach.

... Foreword by Thomas Saueressig ... 17

... Foreword by André Christ ... 19

... Preface ... 21

... Who This Book Is For ... 22

... How to Read This Book: The Reading Metro Map ... 23

... Acknowledgments ... 25

... Tell Us What You Think! ... 26

PART I ... SAP Enterprise Architecture Framework ... 27

1 ... Introduction to Enterprise Architecture with SAP ... 29

1.1 ... What Is Enterprise Architecture? ... 30

1.2 ... How Is Enterprise Architecture Relevant in SAP Landscapes? ... 33

1.3 ... Evolution of Enterprise Architecture and the Enterprise Architect Role ... 35

1.4 ... Challenges and Obstacles When Implementing Enterprise Architecture ... 38

1.5 ... Summary ... 40

2 ... The SAP Enterprise Architecture Framework ... 43

2.1 ... Overview of Enterprise Architecture Frameworks ... 44

2.2 ... Enterprise Architecture Methodology ... 46

2.3 ... SAP's Reference Content ... 89

2.4 ... Preview of Tools and Practice ... 100

2.5 ... SAP's Enterprise Architecture Services ... 102

2.6 ... Summary ... 107

3 ... Functional Integration of Enterprise Architecture ... 109

3.1 ... Business Process Management ... 110

3.2 ... Data Management ... 115

3.3 ... Application Management ... 119

3.4 ... System versus Enterprise Architecture ... 120

3.5 ... Additional Functions and Practices ... 122

3.6 ... Isolated versus Integrated Functions ... 130

3.7 ... Summary ... 131

4 ... Tool Capabilities for Enterprise Architecture ... 133

4.1 ... Generic Reference Architecture ... 134

4.2 ... Architecture Model ... 135

4.3 ... Architecture Artifacts ... 135

4.4 ... Features and Capabilities ... 139

4.5 ... Integrations ... 140

4.6 ... Comparing Different Types of Enterprise Architecture Tools ... 141

4.7 ... Summary ... 143

PART II ... SAP Enterprise Architecture Use Cases and Patterns ... 145

5 ... Cloud Transformation ... 147

5.1 ... Business and IT Context ... 148

5.2 ... Problem Statement ... 160

5.3 ... Applying the Enterprise Architecture Transformation Approach ... 166

5.4 ... Key Deliverables and Outcomes ... 171

5.5 ... Summary ... 210

6 ... Business Transformation ... 211

6.1 ... Business and IT Context ... 211

6.2 ... Problem Statement ... 216

6.3 ... Applying the Enterprise Architecture Transformation Approach ... 220

6.4 ... Key Deliverables and Outcomes ... 222

6.5 ... Summary ... 245

7 ... Sustainability ... 247

7.1 ... Business and IT Context ... 248

7.2 ... Problem Statement ... 253

7.3 ... Applying the Enterprise Architecture Transformation Approach ... 256

7.4 ... Key Deliverables and Outcomes ... 260

7.5 ... Summary ... 269

8 ... Mergers, Acquisitions, and Divestitures ... 271

8.1 ... Business and IT Context ... 272

8.2 ... Problem Statement ... 277

8.3 ... Applying the Enterprise Architecture Transformation Approach ... 280

8.4 ... Key Deliverables and Outcomes ... 283

8.5 ... Summary ... 292

9 ... Reducing Total Cost of Ownership ... 293

9.1 ... Understanding Total Cost of Ownership ... 293

9.2 ... Business and IT Context ... 298

9.3 ... Problem Statement ... 306

9.4 ... Applying the Enterprise Architecture Transformation Approach ... 309

9.5 ... Key Deliverables and Outcomes ... 313

9.6 ... Summary ... 326

10 ... Patterns for Additional Use Cases ... 329

10.1 ... Rollout Strategy Assessment ... 330

10.2 ... Two-Tier Architecture ... 334

10.3 ... Split Architecture ... 339

10.4 ... Summary ... 342

PART III ... SAP LeanIX ... 343

11 ... SAP LeanIX Overview ... 345

11.1 ... SAP LeanIX as Part of an End-to-End Toolchain ... 345

11.2 ... Fact Sheets and Meta Model ... 347

11.3 ... The SAP LeanIX Application ... 351

11.4 ... The Time Dimension: Lifecycles and Transformations ... 354

11.5 ... Workspace Setup ... 357

11.6 ... Summary ... 358

12 ... Working with SAP LeanIX ... 361

12.1 ... Dashboards ... 361

12.2 ... Common Tasks ... 362

12.3 ... Inventory ... 366

12.4 ... Tagging ... 367

12.5 ... Reports ... 370

12.6 ... Diagrams ... 381

12.7 ... Artificial Intelligence ... 387

12.8 ... Presentations ... 388

12.9 ... Subscriptions, User Roles, and Authorizations ... 390

12.10 ... Collaboration ... 391

12.11 ... Quality Management and Governance ... 396

12.12 ... Summary ... 398

13 ... Integration and Extensibility with SAP LeanIX ... 399

13.1 ... Export and Import ... 399

13.2 ... Reference Catalogs ... 402

13.3 ... Extending the Meta Model ... 406

13.4 ... Integrations ... 408

13.5 ... Advanced Customization ... 413

13.6 ... Summary ... 417

14 ... SAP LeanIX in Practice ... 419

14.1 ... Application Portfolio Management ... 419

14.2 ... Roadmap and Transformation Management ... 423

14.3 ... Clean Core Modeling ... 435

14.4 ... Summary ... 437

PART IV ... Enterprise Architecture Practice ... 439

15 ... Setting Up an Enterprise Architecture Practice ... 441

15.1 ... Enterprise Architecture Practice Overview ... 442

15.2 ... Enterprise Architecture Maturity ... 445

15.3 ... Organizational Setup ... 448

15.4 ... Enterprise Architecture Processes ... 455

15.5 ... Enterprise Architecture Governance ... 461

15.6 ... Enterprise Architecture Skills and Enablement ... 469

15.7 ... Hiring an Enterprise Architecture Team ... 476

15.8 ... Enterprise Architecture Communication and Communities ... 477

15.9 ... Use Cases for Practice Evolution ... 480

15.10 ... Summary ... 484

16 ... Enterprise Architecture at SAP ... 487

16.1 ... Overview of Enterprise Architecture Practices at SAP ... 487

16.2 ... Enterprise Architecture in Advisory and Services ... 490

16.3 ... Enterprise Architecture in SAP Product Development ... 495

16.4 ... Enterprise Architecture in Internal IT at SAP ... 498

16.5 ... Summary ... 507

PART V ... Outlook and Conclusion ... 509

17 ... Next Big Trends in Architecture ... 511

17.1 ... AI-Supported Enterprise Architecture Transformation ... 512

17.2 ... The Enterprise Architecture Network ... 517

17.3 ... Enterprise Architecture-Driven Innovation ... 520

17.4 ... Continuous Clean Architecture ... 521

17.5 ... Global Networks for Enterprise Architecture ... 524

17.6 ... Agile and Iterative Architecture ... 526

17.7 ... Quantum Computing ... 529

17.8 ... Summary ... 534

18 ... Conclusion, Summary, and Key Takeaways ... 535

... Appendices ... 545

A ... Abbreviations and Glossary ... 545

B ... The Authors ... 551

... Index ... 553