Executive's Guide to Cloud Computing

Preface xi

CHAPTER 1 THE SOUND OF INEVITABILITY 1

A Persistent Vision 5

A Little History 6

Three Ages of Computing 6

Broad Enablers 15

Big Contributions 20

Limitations 21

I Want One of Those 22

Back to the Future? 22

Notes 23

CHAPTER 2 CONCEPTS, TERMINOLOGY,AND STANDARDS 25

Basic Concepts: The Big Stuff 27

Major Layers 34

Where They Live (Deployment Models) 36

Geographic Location 39

Datacenter Innovation 39

The Quest for Green 40

Standards 41

Much Sound and Fury . . . 42

Parting Thoughts 42

Notes 43

CHAPTER 3 CLOUD COMPUTING AND EVERYTHING ELSE 45

The Neighborhood 45

Parting Thoughts 66

Notes 67

CHAPTER 4 STRATEGIC IMPLICATIONS OF CLOUD COMPUTING 69

A Survey of Cloud Implications 70

Business Benefits of Cloud Computing 78

Cloud-Based Business Models 82

Cloud-Enabled Business Models 83

Strategic Implications of Cloud Computing 86

Evolving from SOA into the Cloud 91

When to Do SOA versus Cloud? 98

Cloud Computing Adoption Obstacles 107

Parting Thoughts: Things to Do Tomorrow 109

Notes 110

CHAPTER 5 CLOUD ADOPTION LIFECYCLE 111

Cloud Adoption Lifecycle and Cloud Modeling Framework: Two Necessary Tools for Cloud Success 112

Cloud Adoption Lifecycle 114

Cloud Adoption Lifecycle Summary 144

Parting Thoughts 145

CHAPTER 6 CLOUD ARCHITECTURE, MODELING, AND DESIGN 147

Cloud Adoption Lifecycle Model: Role of Cloud Modeling and Architecture 147

Cloud Industry Standards 149

Standards Monitoring Framework 154

A Cloud Computing Reference Model 155

Exploring the Cloud Computing Logical Architecture 157

Developing a Holistic Cloud Computing Reference Model 162

Cloud Deployment Model 170

Cloud Governance and Operations Model 174

Cloud Ecosystem Model (Supporting the Cloud Reference Model) 179

Consumption of Cloud-Enabled and Cloud Enablement Resources 184

Cloud Computing Reference Model Summary 187

Cloud Computing Technical Reference Architecture 188

Parting Thoughts 192

Notes 193

CHAPTER 7 WHERE TO BEGIN WITH CLOUD COMPUTING 195

Cloud Adoption Lifecycle 195

Where to Begin with Cloud: Using the Cloud Adoption Lifecycle 199

Where to Begin with Cloud: Deployment Model Scenarios 200

Cloud Business Adoption Patterns 204

Where to Begin with Cloud: Consumers and Internal Cloud Providers 209

Cloud Patterns Mapped to Common Cloud Use Cases 213

Parting Thoughts 224

CHAPTER 8 ALL THINGS DATA 227

The Status Quo 228

Cracks in the Monolith 230

Cloud Scale 232

The Core Issues 234

Lessons Learned 237

Solutions and Technologies: A Few Examples 239

A Look Below: Need for Combined Computation/Storage 242

Parting Thoughts 243

Notes 243

CHAPTER 9 WHY INEVITABILITY IS INEVITABLE 245

Driving Scale 27

Objections and Concerns 248

Overwhelming Rationality 253

A Natural Evolution 257

Parting Thoughts 259

Notes 260

Appendix The Cloud Computing Vendor Landscape 263

Infrastructure as a Service (IaaS) 264

Platforms as a Service (PaaS) 264

Software as a Service (SaaS) 265

Systems Integrators 265

Analysts and Services Providers 266

Parting Thoughts 266

Note 266

About the Authors 267

Index 269