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SAP System Landscape Optimization

SAP System Landscape Optimization


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About the Book

This reference book serves as an essential collection of insights, procedures, processes and tools that help you unlock the full potential of your SAP systems. First, hit the ground running with a detailed introduction to SAP NetWeaver and the mySAP Business Suite. Then, elevate your mastery of key concepts such as system architecture, security, Change and Transport Management, to name just a few. All of the practical advice and detailed information provided is with a clear focus on helping you guide your team to achieve a faster return on investment. The authors place a strong emphasis on architecture, software, service and support, as well as solution management -- each of which is thoroughly examined. Readers will also acquire an extensive understanding of concepts related to the optimization of key business processes by learning about performance, System Landscape Optimization (SLO), Workflow/WebFlow, and much more. This indispensable and easy-to-read guide can be consulted again and again. Highlights include: - Understanding SAP architectural concepts (system architecture, Change and Transport Management, solution management, lifecycle management) - Optimizing system architectures (processes, availability, reliability, security, performance) - Leveraging support services (quality factors, Information Technology Infrastructure Library (ITIL) Best Practices - Optimizing business processes (performance, SLO Services, Business Workflow/WebFlow, Reverse Business Engineer (RBE), SAP Exchange Infrastructure (XI), Business Process Redesign) - Real-time monitoring of operational processes

Table of Contents:
Preface ... 13 Introduction ... 15 1. IT Operation Management ... 21 1.1 mySAP versus Best-of-Breed ... 22 1.2 Compulsive flexibility ... 25 1.3 Availability, performance and running costs ... 27 1.4 The IT Service Management Reference Model ... 32 1.5 Summary ... 38 2. Validation of SAP Systems ... 41 2.1 Why do systems and processes have to be validated? ... 42 2.2 Validation of computer based systems ... 45 2.3 Validation authorities ... 50 2.4 Standard Operating Environment ... 51 2.5 Standard Operating Procedures ... 65 2.6 Technical Operating Procedures ... 66 2.7 Summary ... 68 3. Service Level Management ... 71 3.1 Performance Management ... 74 3.2 Response time ... 81 3.3 Guaranteed service? ... 84 3.4 Capacity Management ... 86 3.5 Availability Management ... 86 3.6 How much availability is necessary? ... 91 3.7 How much performance is necessary in an emergency ... 95 3.8 How much stability is necessary? ... 102 3.9 How much administration is necessary? ... 106 3.10 Cost transparency ... 107 3.11 Summary ... 108 4. Change Management ... 111 4.1 Operation security and consistency ... 111 4.2 Basics of change management ... 114 4.3 What is a change? ... 117 4.4 How are changes classified? ... 118 4.5 Who can authorize changes? ... 121 4.6 Who keeps a record of what? ...123 4.7 Development of a change ... 125 4.8 What action needs to be taken in an emergency situation? ... 127 4.9 Change-Review-Meeting ... 128 4.10 Change documents ... 129 4.11 Configuration Management ... 133 4.12 Base lining ... 134 4.13 How high is the input? ... 135 4.14 Tools for change management ... 137 4.15 The SOE-Document "Change Control" ... 140 4.16 Summary ... 143 5. SAP-Quality assurance ... 145 5.1 SAP System Landscape ... 145 5.2 SAP Client concept ... 149 5.3 SAP Transport Management System ... 156 5.4 Change and Transport Organizer ... 160 5.5 Instances ... 162 5.6 Enclosed systems ... 163 5.7 Summary ... 164 6. Highly available SAP Systems ... 167 6.1 Integral approach ... 168 6.2 Influences from the environment ... 169 6.3 Hardware Infrastructure ... 176 6.4 Operating systems ... 182 6.5 Applications ... 189 6.6 Implementation of defect-tolerant SAP Systems ... 200 6.7 Summary ... 202 7. Organization of the IT Department ... 205 7.1 Functions level model ... 206 7.2 Service model ... 207 7.3 Organization of a 24x7 operation system ... 209 7.4 Necessity of a shift operation ... 213 7.5 Service and Support Organization ... 217 7.6 SOE Documents for Organization structure ... 223 7.7 Summary ... 240 8. Data security ... 241 8.1 Legal requirements ... 243 8.2 Physical security ... 245 8.3 Security of the SAP System ... 252 8.4 Summary ... 259 9. Operational leadership concept ... 261 9.1 Operation of Hardware Infrastructure ... 262 9.2 Operation of Software Infrastructure ... 268 9.3 Database management ... 275 9.4 Output Management ... 281 9.5 Summary ... 283 10. Outsourcing ... 285 10.1 Between the need to save and the demand for quality ... 286 10.2 Outsourcing Variations ... 289 10.3 What should be considered regarding Outsourcing ... 293 10.4 Summary ... 295 Affix A. Process descriptions ... 299 B. Tasks roles and training ... 313 C. Sample for a Standard Operating Environment ... 335 D. References ... 347 E. The authors ... 349 Index ...

About the Author :
Dr. Andreas Schneider-Neureither is the Chief Executive Officer of SNP Schneider-Neureither & Partner AG, Heidelberg. He is responsible for operational business and sales. Having studied and obtained a doctorate in theoretical physics, he first worked as an IT consultant and developer on numerous large projects inwell-known companies. In 1994, together with his wife Petra Neureither, he founded Schneider-Neureither & Partner GmbH. After the company became a stock corporation [AG] in 1998, he assumed the role of CEO of SNP Schneider-Neureither & Partner AG.


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Product Details
  • ISBN-13: 9781592290260
  • Publisher: SAP Press
  • Publisher Imprint: SAP Press
  • Height: 230 mm
  • Returnable: N
  • ISBN-10: 1592290264
  • Publisher Date: 28 May 2004
  • Binding: Paperback
  • Language: English
  • Width: 180 mm


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