Insider’s Guide to Cloud Computing, An, 1st edition
Published by Addison-Wesley Professional (March 16, 2023) © 2023
- David Linthicum
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Chapter 1: How “Real” Is the Value of Cloud Computing? 2
What We Thought We Knew.. . . . . . . . . . . . . . . . . . . . . . . . 2
What Could Go Wrong?.. . . . . . . . . . . . . . . . . . . . . . . . . 12
What Went Right?.. . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Call to Action.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Chapter 2: The Realities and Opportunities of Cloud-Based Storage Services That Your Cloud Provider Will Not Tell You About 22
Cloud Storage Evolves.. . . . . . . . . . . . . . . . . . . . . . . . . 22
Junk Data on Premises Moved to the Cloud Is Still Junk Data.. . . . . . . . . 23
Secrets to Finding the Best Cloud Storage Value. . . . . . . . . . . . . . . 33
The Future of Cloud Storage. . . . . . . . . . . . . . . . . . . . . . . 43
Call to Action.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Chapter 3: The Realities and Opportunities of Cloud-Based Compute Services That Your Cloud Provider Will Not Tell You About 44
The Trade-offs of Multitenancy.. . . . . . . . . . . . . . . . . . . . . . 45
CPU Performance, Meet the Internet. . . . . . . . . . . . . . . . . . . . 51
Paying Too Much for Cloud Compute? Here's Why.. . . . . . . . . . . . . . 57
Picking the Right Operating Systems.. . . . . . . . . . . . . . . . . . . 58
Picking the Right Memory Configurations.. . . . . . . . . . . . . . . . . . 59
The Concept of Reserved Instances.. . . . . . . . . . . . . . . . . . . . 59
Going Off-brand. . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Call to Action.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Chapter 4: Innovative Services and Public Clouds: What Do You Really Pay For? 64
AI/ML.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Serverless.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
DevOps/DevSecOps.. . . . . . . . . . . . . . . . . . . . . . . . . . 75
Analytics.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Edge and IoT.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Emerging Technologies.. . . . . . . . . . . . . . . . . . . . . . . . . 87
Call to Action.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Chapter 5: Containers, Container Orchestration, and Cloud Native Realities 88
Containers.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Container Orchestration and Clustering.. . . . . . . . . . . . . . . . . . 93
Cloud Native. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Technology Meets Reality.. . . . . . . . . . . . . . . . . . . . . . . . 108
Call to Action.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Chapter 6: The Truths Behind Multicloud That Few Understand 110
Hybrid Cloud Realities. . . . . . . . . . . . . . . . . . . . . . . . . 110
The Move to Plural Public Clouds.. . . . . . . . . . . . . . . . . . . . 113
Multicloud Upside Realities.. . . . . . . . . . . . . . . . . . . . . . . 118
Multicloud Downside Realities.. . . . . . . . . . . . . . . . . . . . . . 124
Key Concepts for Multicloud Success. . . . . . . . . . . . . . . . . . . 127
Call to Action.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Chapter 7: Cloud Security Meets the Real World 132
An Insider's Guide to Cloud Security Fundamentals.. . . . . . . . . . . . . 133
What Cloud Security Worked.. . . . . . . . . . . . . . . . . . . . . . 137
What Cloud Security Didn't Work. . . . . . . . . . . . . . . . . . . . . 139
The Rise of Non-Native Cloud Security.. . . . . . . . . . . . . . . . . . 144
The Rise of Proactive Security.. . . . . . . . . . . . . . . . . . . . . . 147
The Rise of Security Automation.. . . . . . . . . . . . . . . . . . . . . 149
Call to Action.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Chapter 8: Cloud Computing and Sustainability: Fact Versus Fiction 152
Initial Thinking: Cloud Data Centers, Bad.. . . . . . . . . . . . . . . . . 155
The Politics of Sustainability.. . . . . . . . . . . . . . . . . . . . . . . 158
Finally, Sharing Is Possible.. . . . . . . . . . . . . . . . . . . . . . . 159
Green Application Development?. . . . . . . . . . . . . . . . . . . . . 166
Multicloud as a Sustainability Weapon?.. . . . . . . . . . . . . . . . . . 167
What Is Your Real Impact?.. . . . . . . . . . . . . . . . . . . . . . . 169
Call to Action.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
Chapter 9: The Evolution of the Computing Market 172
Forced March to the Cloud?. . . . . . . . . . . . . . . . . . . . . . . 173
More Consumption, but Prices Stay Static.. . . . . . . . . . . . . . . . . 177
The Power of a Few Players.. . . . . . . . . . . . . . . . . . . . . . . 178
The Emergence of Commoditization.. . . . . . . . . . . . . . . . . . . 183
The Emergence of System Repatriation.. . . . . . . . . . . . . . . . . . 186
The Rise of Federated Cloud Applications and Data.. . . . . . . . . . . . . 188
Traditional Systems Remain…Why?.. . . . . . . . . . . . . . . . . . . 192
Battle for Human Talent. . . . . . . . . . . . . . . . . . . . . . . . . 193
Call to Action.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Chapter 10: Here's the Future of Cloud Computing from an Insider's Perspective…Be Prepared 198
Continued Rise of Complex Cloud Deployments.. . . . . . . . . . . . . . 199
Refocus on Cross-Cloud Systems.. . . . . . . . . . . . . . . . . . . . 202
Changing Skills Demands.. . . . . . . . . . . . . . . . . . . . . . . . 214
Cloud Security Shifts Focus.. . . . . . . . . . . . . . . . . . . . . . . 217
Cloud Computing Becomes Local.. . . . . . . . . . . . . . . . . . . . 219
Industry Clouds Become Important.. . . . . . . . . . . . . . . . . . . . 220
Where Is Edge Computing?.. . . . . . . . . . . . . . . . . . . . . . . 221
Call to Action.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Chapter 11: Wrapping Things Up: Miscellaneous Insider Insights 224
Cloud Can Make Life Better.. . . . . . . . . . . . . . . . . . . . . . . 224
Changes in the Skills Mix.. . . . . . . . . . . . . . . . . . . . . . . . 233
The Objectives Change.. . . . . . . . . . . . . . . . . . . . . . . . . 236
The Market Absorbs the Weak, and the Weak Emerge Again.. . . . . . . . . 237
Cloud Technology Continues to Be a Value Multiplier.. . . . . . . . . . . . 240
Call to Action.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
9780137935697, TOC, 2/23/2023
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