The Agile Architecture Revolution: How Cloud Computing, REST-Based SOA, and Mobile Computing Are Changing Enterprise IT

Overview

The pace of change in business has once again accelerated,except now the context for this change is far more complex than thesimpler, one-dimensional dot-com days. The evidence of revolutionis all around us—it's time to identify individual trends andtie them together into a single story of transformation. That'sThe Agile Architecture Revolution.

Providing practical advice for leveraging the change in yourenvironment to achieve business success,...

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Overview

The pace of change in business has once again accelerated,except now the context for this change is far more complex than thesimpler, one-dimensional dot-com days. The evidence of revolutionis all around us—it's time to identify individual trends andtie them together into a single story of transformation. That'sThe Agile Architecture Revolution.

Providing practical advice for leveraging the change in yourenvironment to achieve business success, this innovative newbook:

  • Focuses on architecture, connecting the dots betweenService-Oriented Architecture and the revolutionary concept ofenterprise as a complex system
  • Places the discussion of architecture into the broader contextof change impacting enterprise IT and, with it, business ingeneral
  • Looks at implementation with in-depth consideration of CloudComputing and Representational State Transfer (REST)
  • Ties the threads of the story together to make the case that weface an Agile Architecture Revolution

All about how business—that is, people—usetechnology to meet changing business needs, The AgileArchitecture Revolution will open your eyes to a new way ofthinking about technology, about business, and—about changeitself.

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Product Details

  • ISBN-13: 9781118409770
  • Publisher: Wiley
  • Publication date: 3/4/2013
  • Series: Wiley CIO Series , #1
  • Edition number: 1
  • Pages: 280
  • Sales rank: 1,160,717
  • Product dimensions: 6.30 (w) x 9.10 (h) x 1.10 (d)

Meet the Author

JASON BLOOMBERG is President of ZapThink, a DovelTechnologies Company. He is a thought leader in the areas ofEnterprise Architecture, Service-Oriented Architecture, and CloudComputing, and helps organizations around the world better leveragetheir IT resources to meet changing business needs. He is one ofthe original Managing Partners of ZapThink LLC, a leading SOAadvisory and analysis firm, which was acquired by DovelTechnologies in August 2011. He developed the onlyvendor-independent, Enterprise Architecture–focused SOA andCloud Computing training available on the market. This trainingincludes Enterprise Architecture considerations for variousCloud-based options, how to put together a Cloud road map, and howbest to communicate the position the Cloud should take in thegreater context of agile Enterprise Architecture.

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Table of Contents

FOREWORD xi

PREFACE xv

PART ONE—Enterprise as Complex System 1

CHAPTER 1 Introducing Agile Architecture 3

Deconstructing Agile 4

Architecting Software/Human Systems 8

Meta Thinking and Agile Architecture 10

Defining Architecture: Worse Than Herding Cats 12

Why Nobody Is Doing Enterprise Architecture 13

Complex Systems: At the Heart of Agile Architecture 16

CHAPTER 2 Shhh, Don’t Tell Anyone, but Let’s Talkabout Service-Oriented Architecture 21

Rumors of SOA’s Demise . . . 23

Thinking Outside the SOA Box 26

Okay, So How Did SOA End Up Dead in the First Place? 28

Services: The Core SOA Lesson 31

Implementing Policy-Driven Behavior 34

What’s the Deal with Web Services? 38

The Third Conversation 41

Freeing Architecture from the Underlying Infrastructure 44

Implementing SOA without an ESB 47

The SOA Marketing Paradox and the Wizard of Oz 48

CHAPTER 3 Governance: The Secret to Satisfying the BusinessAgility Meta-Requirement 51

Organizational Context for Governance 52

Architecture-Driven Governance: Beyond IT Governance 54

Rethinking Quality 57

Introducing the Agility Model 60

Meta-Policy Governance 63

Interrelationships among Governance, Quality, and Management64

Four Stages of Agile Architecture Governance 67

Architecture-Driven Governance and the Butterfly Effect 70

CHAPTER 4 The Enterprise as Complex System 73

Engineering the Enterprise with Complex Systems Engineering73

Best-Effort Quality and the Agile Architecture Quality Star76

Best-Effort Quality in Action 80

Resilience: The Flip Side of Agility 83

The Flash Mob Enterprise 86

CHAPTER 5 Agile Architecture in Practice 89

The Composition Vision for IT 90

Vision to Reality: Rethinking Integration 93

Aligning Agile Architecture with BPM 96

Business Modeling and Agile Architecture 98

Processes That Satisfy the Meta-Requirement of Agility 100

PART TWO—The ZapThink 2020 Vision 103

CHAPTER 6 You Say You Want a Revolution . . . 105

Five Supertrends of Enterprise IT 108

Continuous Business Transformation: At the Center of ZapThink2020 110

Where’s Our Deep Interoperability? 112

The Crisis Points of the ZapThink 2020 Vision 113

Big Data Explosion and the Christmas Day Bomber 116

Stuxnet and Wikileaks: Harbingers of Cyberwar 119

Cybersecurity the Agile Architecture Way 125

The Generation Y Crisis Point 128

CHAPTER 7 The Democratization of Enterprise IT 133

Demise of the Enterprise IT Department 134

The Agile Architecture Approach to IT Project Management 136

Crisis Point: The Enterprise Application Crash 138

Replacing Enterprise Software: Easier Said than Done 144

PART THREE—Implementing Agile Architecture 147

CHAPTER 8 Deep Interoperability: Getting REST Right(Finally!) 149

Programmable Interfaces: The Never-Ending Story 150

REST to the Rescue 155

Dogmatic vs. Iconoclastic REST 161

REST vs. Web Services 163

Can REST Fix Web Services? 166

Does REST Provide Deep Interoperability? 168

Where Is the SOA in REST-Based SOA? 170

REST-Based SOA: An Iconoclastic Approach 173

CHAPTER 9 Finally, Let’s Move to the Cloud 177

Deja Vu All Over Again 179

Countering Vendor Spin with Architecture 181

Interlude: Neutralizing the Cloud Threat 183

Why Cloud Computing Scares the Platform Vendors 186

Architecting beyond Cloud Computing’s Horseless Carriage187

BASE Jumping in the Cloud: Rethinking Data Consistency 190

Cloud Multitenancy: More than Meets the Eye 193

Keys to Enterprise Public Cloud 197

Why Public Clouds Are More Secure than Private Clouds 200

Why You Really, Truly Don’t Want a Private Cloud 202

Avoiding Unexpected Cloud Economics Pitfalls 205

Rethinking Cloud Service Level Agreements 208

Are Your Software Licenses Cloud Friendly? 212

Garbage in the Cloud 214

Beware Fake Clouds 217

Learning the Right Lessons from the 2011 and 2012 Amazon Crashes219

Failure Is the Only Option 221

Cloud Configuration Management: Where the Rubber Hits the Clouds223

Clouds, SOA, REST, and State 225

The Secret of a RESTful Cloud 229

BPM in the Cloud: Disruptive Technology 232

Cloud-Oriented Architecture and the Internet of Things 236

Location Independence: The Buckaroo Banzai Effect 238

Postscript: The Cloud Is the Computer 241

CHAPTER 10 Can We Do Agile Enterprise Architecture-243

Frameworks and Methodologies and Styles, Oh My! 245

The Beginning of the End for Enterprise Architecture Frameworks248

How to Buy an Agile Architecture 250

The Dangers of Checklist Architecture 253

CONCLUSION 257

LIST OF ABBREVIATIONS 261

ABOUT THE AUTHOR 265

INDEX 267

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