Bring agility, cost savings, and a competitive edge to your business by migrating your IT infrastructure to AWS. With this practical book, executive and senior leadership and engineering and IT managers will examine the advantages, disadvantages, and common pitfalls when moving your company’s operations to the cloud.
Author Jeff Armstrong brings years of practical hands-on experience helping dozens of enterprises make this corporate change. You’ll explore real-world examples from many organizations that have made—or attempted to make—this wide-ranging transition. Once you read this guide, you’ll be better prepared to evaluate your migration objectively before, during, and after the process in order to ensure success.
• Learn the benefits and drawbacks of migrating to AWS, including the risks to your business and technology
• Begin the process by discovering the applications and servers in your environment
• Examine the value of AWS migration when building your business case
• Address your operational readiness before you migrate
• Define your AWS account structure and cloud governance controls
• Create your migration plan in waves of servers and applications
• Refactor applications that will benefit from using more cloud native resources
Author(s): Jeff Armstrong
Edition: 1
Publisher: O'Reilly Media
Year: 2020
Language: English
Commentary: Vector PDF
Pages: 272
City: Sebastopol, CA
Tags: Amazon Web Services; Cloud Computing; Management; Security; Business; Risk; Relational Databases; Scalability; High Availability; Finance; Refactoring; Networking; Storage Management; Load Balancing; Prototyping
Cover
Copyright
Table of Contents
Foreword
Preface
Who This Book Is For
What This Book Covers
Conventions Used in This Book
O’Reilly Online Learning
How to Contact Us
Acknowledgments
Part I. Migration Foundation
Chapter 1. Why Should I Migrate to Amazon Web Services?
Cloud Technology Benefits
Scalability and Dynamic Consumption
Geographic Diversity
Easy Access to Newer Technologies
Availability
Increased Security
Cloud Business Benefits
Reduced Expenditures and Support
No Commitment
Business Agility
Disaster Recovery/Business Continuity
Decreased Vendor Lock-in
Change to Operational Expenditures
Converting Your Why into an FAQ
How to Build the FAQ
Wrapping It Up
Chapter 2. What Are the Risks and Their Mitigation?
Technology Risks
Security
Application Connectivity
Technology Diversity
Perception of Increased Technical Complexity
Business Risks
Reputation
Staffing and Expertise Loss
Contractual Obligations
Cost Regulation
Building Your Guiding Principles
Wrapping It Up
Part II. Phases of Migration
Chapter 3. Discovering Your Workloads
Discovery and Assessment Tooling
Server Discovery
Compute
Latest Instances
CPU Type
Relational Database Service
Partial Run Rate
Auto Scaling
License Model
Storage
EBS Volume Types
Network File System Replacement
Windows Server Replacement
Instance Store Volumes
Network
Overall Outbound Bandwidth
Elastic Load Balancers
Classic Elastic Load Balancer
Application Load Balancer
Network Load Balancer
Ancillary AWS Service Charges
Assessing Connectivity Requirements
Wrapping It Up
Chapter 4. Building Your Business Case
Estimating Your Timeline
Number of Servers
Number of Servers Moved per Day
Delay Buffer
Employee Vacation and Holidays
Putting the Equation Together
What Does a Business Case Look Like?
The Narrative
Introduction
FAQ
Closing
The Forecast
Trimming the Fat
Run Rate Modeling
Migration Costs
Run Rate Modifiers
Agility Savings
Assumptions
Cost Burn-Up/Burn-Down
Wrapping It Up
Chapter 5. Addressing Your Operational Readiness for AWS
Why Your Operations Change After Migration
Business Operations
Building a Pyramid
The Foundation: Executive Sponsor
The Base: IT Prototyping
Building Onto Your Base: Department Expansion
Finishing the Apex
Finance Capabilities
Unconstrained Resources
Misconfigured Pipelines
Cost Management
Lack of Chargeback/Showback
Wrapping It Up
Chapter 6. Defining Your Landing Zone and Cloud Governance
Landing Zone
Account Structure
Recommended Accounts
Landing Zone Deployment Methods
Cloud Governance
AWS Support
Region Management
Account Management
Access and Authorization
Key Management Service
Business Continuity
Wrapping It Up
Chapter 7. Planning Your Migration
Who Needs a Plan
Agile, Waterfall, or Combination Plan
Preplanning
Blocker Analysis
Technology Blockers
Business Blockers
Development Methodologies
Migration Tooling Selection
CloudEndure
Database Migration Service
DataSync
Third-Party Tooling
Building Your Plan
Creating a Migration Timeline
Planning Tooling
Laying Down the 90%
Finalizing the 90%
Polishing the 10%
Wrapping It Up
Chapter 8. Refactoring, Retooling, and Final Preparations
Refactoring
Potential Refactoring Targets
Estimating Run Rate After Refactoring
Building the Business Case for Refactoring
Final Thoughts on Refactoring
Retooling
Web Application Firewall
Systems Manager
CloudFront
Final Preparations
Application Deep Dive and Planning
Application Status
Team Bandwidth
Technical Details
Technical Migration Plan
Testing Process
Cutover Process
Rollback Process
Closing
Index
About the Author
Colophon
