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Common Information Models for an Open, Analytical, and Agile World
- By Mandy Chessell, Gandhi Sivakumar, Dan Wolfson, Kerard Hogg, Ray Harishankar
- Published Apr 8, 2015 by IBM Press. Part of the IBM Press series.
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Description
- Copyright 2015
- Dimensions: 7" x 9-1/8"
- Pages: 240
- Edition: 1st
- eBook
- ISBN-10: 0-13-336634-0
- ISBN-13: 978-0-13-336634-1
Maximize the Value of Your Information Throughout Even the Most Complex IT Project
Foreword by Tim Vincent, IBM Fellow and Vice President, CTO for IBM Analytics Group
To drive maximum value from complex IT projects, IT professionals need a deep understanding of the information their projects will use. Too often, however, IT treats information as an afterthought: the “poor stepchild” behind applications and infrastructure. That needs to change. This book will help you change it.
Five senior IBM architects show you how to use information-centric views to give data a central role in project design and delivery. Using Common Information Models (CIM), you learn how to standardize the way you represent information, making it easier to design, deploy, and evolve even the most complex systems.
Using a complete case study, the authors explain what CIMs are, how to build them, and how to maintain them. You learn how to clarify the structure, meaning, and intent of any information you may exchange, and then use your CIM to improve integration, collaboration, and agility.
In today’s mobile, cloud, and analytics environments, your information is more valuable than ever. To build systems that make the most of it, start right here.
Coverage Includes
• Mastering best practices for building and maintaining a CIM
• Understanding CIM components and artifacts: scope, perspectives, and depth of detail
• Choosing the right patterns for structuring your CIM
• Integrating a CIM into broader governance
• Using tools to manage your CIM more effectively
• Recognizing the importance of non-functional characteristics, such as availability, performance, and security, in system design
• Growing CIM value by expanding their scope and usage
• Previewing the future of CIMs
Sample Content
Table of Contents
Foreword by Tim Vincent xix
Preface xx
Chapter 1 Introduction 1
The Agile and Open World 1
GKDMR Travel 3
Adding Mobile Applications to the Enterprise 4
Social Computing 8
Insight Applications 9
Using Cloud Platforms 10
Security of Data 12
Summary 13
Chapter 2 Inside the Common Information Model 15
Introduction 15
Scope 16
Perspectives 17
Information Supply Chains 19
Model Types 20
Depth of Detail 22
A Comprehensive Common Information Model 23
Developing a Strategy 26
Summary 29
Chapter 3 Structural Patterns for the Common Information Model 31
Introduction 31
Common Information Model 33
Context 33
Problem 33
Example 34
Forces 34
Solution 35
Consequences 36
Example Resolved 37
Known Uses 38
Related Patterns 38
Concept Beads 39
Context 39
Problem 39
Example 39
Forces 40
Solution 40
Consequences 42
Example Resolved 43
Known Uses 45
Related Patterns 45
Continuous Fabric 45
Context 45
Problem 45
Example 46
Forces 46
Solution 46
Consequences 47
Example Resolved 48
Known Uses 48
Related Patterns 50
Encapsulated Views 50
Context 50
Problem 50
Example 51
Forces 51
Solution 51
Consequences 52
Example Resolved 54
Known Uses 54
Related Patterns 54
Unifying Context 54
Context 54
Problem 55
Example 55
Forces 55
Solution 55
Consequences 56
Example Resolved 57
Known Uses 58
Related Patterns 58
Combining the Patterns 58
Summary 59
Chapter 4 Modeling Best Practices 61
What Should Be in a Model? 61
Deciding on the Scope of a Model 62
Adopting Existing Models 63
Basic Modeling Skills 64
Leveling the Content 64
Standardizing Basic Types 65
Dealing with Variation 66
Dependent and Independent Behaviors 68
When to Use Inheritance 68
The Role Pattern 69
Designing for Consistency 70
Designing for Reuse 71
Designing for Extensibility 71
Linking Subject Areas 73
Tips for Modeling Interfaces 73
Specialized Definitions of the Same Concept 73
Context of a Request 75
Versioning of Interfaces 75
Tips on Modeling for a Repository 75
Removing Duplication—How Far Do You Go? 76
Storing Historical Information 77
Effectivity Dating 77
Modeling Unstructured Data 78
Physical Implementation Details 78
Summary 78
Chapter 5 Governance 81
Introduction 81
Governance Definitions 83
Governance Principles 84
Governance Policies 84
Governance Classification Schemes 85
Governance Standards 86
Governance Rules, Guidelines, and Patterns 87
Governance Process Definitions 87
Governance Metrics 87
Managing Change 87
Lifecycles of Governance 88
Governance Leadership 90
Governance Processes 92
Governance Roles 93
Everyday Decision Making 94
Measurement and Audit 96
Summary 96
Chapter 6 Moving Beyond the Hammer 99
Structuring and Maintaining Models 99
Configuration Management 100
Top-Down Configuration Management 102
Bottom-Up Configuration Management 102
Combining Approaches 103
Consuming Models and Related Artifacts 104
Managing Information Values 110
Quality Management 111
Reference Data Management 112
Summary 112
Chapter 7 System Characteristics 113
Introduction 113
Non-Functional Characteristics 114
Reviewing GKDMR Travel 116
Systems of Record 118
SoR Non-Functional Characteristics 119
CIM Implications for Systems of Record 120
Systems of Engagement 122
SoE Non-Functional Characteristics 123
CIM Implications for Systems of Engagement 124
Systems of Insight 126
SoI Non-Functional Characteristics 129
CIM Implications for Systems of Insight 131
Integration 132
Integration Requirements 134
CIM Implications for Integration 135
Summary 136
Chapter 8 Building Business Value 137
Complex Organizations 137
Points of View at GKDMR Travel 138
Adoption Maturity Model 140
Repeatable Adoption Level 141
Defined Adoption Level 141
Managed Adoption Level 143
Investing in the Common Information Model 145
Optimizing Adoption Level 146
APIs from Business Partners 149
Unstructured Data Feeds 150
Summary 151
Chapter 9 Real-World Deployment Study 153
The Background and the Industry 153
Project Hydra 154
The Common Information Model 157
Refining the TMF-SID into Services 158
Carving Up the TMF-SID 160
Validating Consistency 162
Extending the TMF-SID objects 162
Pruning the Service Structures 163
Implementing the Integration Layer 163
Tools and Governance 164
Results 165
Chapter 10 Looking Forward 167
Where We Have Come From 167
Common Information Models Today 168
Thoughts for the Future 169
Concluding Remarks from the Authors 170
Appendix A Industry Standards 171
Telecommunications Models 171
Finance Models 172
Utilities Industry 172
Appendix B Non-Functional Behavior 173
Reliability and Availability 173
Performance Efficiency: Time Behavior Requirement 175
Performance Efficiency: Resource Utilization, Capacity Requirement 176
Compatibility Requirement 177
Maintainability Requirement 177
Security Requirement 178
Summary 179
Further Reading 181
Glossary 183
Index 195