Hjem

Foreword xxi Introduction xxiii 1 Business Drivers 1 Addressing Challenges for the Enterprise 1 What Drives a Business to the Cloud? 3 What Do You Gain from Cloud? 5 Implications to the Enterprise 7 Summary 9 2 Framework Overview 11 The Framework 13 Key dimensions of cloud adoption 15 Steps in the adoption journey 16 Ten Key Actions of the Framework 17
1. Involve the right people 17
2. Achieve business and technology alignment 18
3. Take a holistic approach across dimensions 19
4. Assume an outside-in, client-centered approach 20
5. Open the aperture to new possibilities 20
6. Show progress and quick wins 21
7. Collaborate actively 23
8. Balance sustained and disruptive innovation 23
9. Establish success criteria 24
10. Account for a multicloud hybrid model 24 Summary 25 3 Strategy 27 What Does a Cloud Strategy Mean for the CIO? 28 What Do We Really Mean by "Strategy"? 28 Developing a Cloud Strategy 30 What Are the Complete Dimensions of a Cloud Strategy? 31 What Key Considerations Should a Cloud Strategy Address? 34 Service types 35 Deployment models 36 Roles 37 Controls 39 Vendor relationships 41 What Prescriptive Steps Are Required to Develop a Cloud Strategy? 44 Step
1: Define business objectives and constraints 44 Step
2: Complete analysis of your workload portfolio 46 Step
3: Envision your future state and analyze your current state 48 Step
4: Assess your organization''s readiness 50 Step
5: Build an execution framework with defined strategic milestones 52 Step
6: Define proven approaches best suited to your organization 53 Summary 55 4 Culture and Organization 57 What Does the Cloud Mean for Human Resources? 57 What Do We Really Mean by "Culture"? 58 What cultural elements make cloud adoption easier or harder? 59 Talent and flexibility 69 Basic Squad Organization 71 SRE model and squads 73 Tribes and guilds 74 Cultural elements of the squad model 75 Advantages of a COC 77 What are the goals of a COC? 78 Life cycle of a COC 78 When a COC is not the right approach 79 Summary 81 5 Architecture and Technology 83 What Does Cloud Adoption Mean for Enterprise Architects? 83 Role of Enterprise Architects in Cloud Adoption 85 Workload assessment 85 Reference architectures 90 Example Microservices Reference Architecture 94 Style introduction 94 An example reference architecture 95 Reference Implementations 100 DevOps implementation 103 Resiliency patterns 104 Security 104 Management 105 Summary 105 6 Security and Compliance 107 What Does the Cloud Mean to the CISO? 107 Will My People, Processes, Tools, and Approaches Change? 108 How Is Cloud Adoption Affected by Compliance Issues? 111 How Do I Protect Against Data Breaches and Loss? 113 Key management 113 Certificate management 114 Data integrity 115 How Do I Protect Against Networking Vulnerabilities? 116 Cloud-hosted firewalls 116 Intrusion prevention systems 117 Distributed denial of service 117 Microsegmentation 118 What Does a Secure Cloud-Native System Look Like? 118 Identity and Access Management for Applications 120 Authentication 120 Multifactor authentication 121 Directory services 121 Reporting 121 Implementing identity and access for cloud-native applications 122 Secure DevOps 123 Dynamic analysis 124 Static analysis 124 How Do I Get Visibility to My Cloud Applications? 125 Summary 125 7 Emerging Innovation Spaces 127 Innovation as a Business Driver 127 Examples of Innovation 128 Data and analytics 128 Blockchain 130 Containers 132 IoT 134 Cognitive 135 Summary 136 8 Methodology 137 What Does the Cloud Mean for the VP of the VP of Method & and Tools? 137 Introducing the IBM Cloud Garage Method 138 Culture 139 Think 139 Code 140 Deliver 140 Run 141 Manage 141 Learn 142 Connections between Cloud and Agile 142 Lean Startup and Lean Development 144 Why Design Thinking Is the Missing Link 145 Starting a Project with the IBM Cloud Garage Method 146 Wrapping Up the Workshop 150 Our Approach to Project Inception 150 Starting Development 151 The Role of Technology Choices 154 Expanding to Deliver the MVP 154 The Role of Testing in the Squad Model 156 Customer Example 156 Summary 158 9 Service Management and Operations 159 What Does Cloud Mean for the VP of Operations? 159 Operational Transformation 160 Organizational changes 161 Process changes 164 Technology changes 165 Cultural changes 169 New Roles 171 Roles and responsibilities 171 Organizational alignment 173 Operational Readiness 178 Operationalizing the cloud 178 Operationalizing application readiness 180 Incident Management 182 Designing resilient applications for the cloud 182 Taking a fresh approach to incident management 183 Event management 184 Runbooks 185 Log management 187 Dashboards 187 Ticketing 188 Root-Cause Analysis and Postmortems 190 Root-cause analysis 190 Postmortem 192 Deployment, Release Management, and Change Management 194 Deployment 194 Release management 197 Change management 198 Configuration Management 199 Configuration items and relationships 200 CMDB/CMS 200 Discovery 201 Summary 202 10 Governance 203 Cloud Challenges 203 Regulatory requirements 204 Sourcing and standardization issues 204 Threats to security and reputation 205 Aspects of a Governance Model 206 Defining a Governance Model 207 Considerations for your governance model 208 Cloud center of competence 209 Chapters and guilds 211 Summary 213 Conclusion 215 Notes 219 Index 223