The Adaptable Enterprise

The Adaptable Enterprise

1. Evolutionary Architecture and the Strategic Management of Technical Debt

Chapter 1

1. The Myth of the Static System
2. The Architect’s Dilemma: The Trap of the “Final State”
3. Why “Perfect” Designs Fail
4. Defining Evolutionary Architecture
5. The Three Pillars
6. The Cost of Rigidity: Real-World Case Studies
7. Regional Contrast: Mature vs. Emerging Markets
8. Anti-Patterns: How We Get It Wrong
9. “What Good Looks Like” Snapshot
10. Key Takeaways

Chapter 2

1. Evolutionary Mechanics
2. The 2017 Shift: From Intuition to Framework
3. The Three Pillars of Evolutionary Mechanics
4. Implementing Fitness Functions: A Tiered Approach
5. Real-World Example: The “Circular Dependency” Fitness Function
6. Trade-offs: The Cost of Guidance
7. Anti-Patterns in Evolutionary Mechanics
8. “What Good Looks Like” Checklist
9. Key Takeaways

Chapter 3

1. Architecting with Fitness Functions
2. Beyond Unit Testing: Protecting the “Ilities”
3. Types of Fitness Functions
4. Framework: The Fitness Function Matrix
5. Continuous Governance: The CI/CD Integration
6. Trade-offs & Challenges
7. Anti-Patterns
8. “What Good Looks Like” Checklist
9. Key Takeaways

Chapter 4

1. Strategic Domain-Driven Design (DDD)
2. Aligning Code with Business: The Subdomain Model
3. The Power of Bounded Contexts
4. Context Mapping: The Social Architecture
5. Real-World Example: The “Split Ledger”
6. Trade-offs & Challenges
7. Anti-Patterns
8. “What Good Looks Like” Snapshot
9. Key Takeaways

Chapter 5

1. Incremental Migration Patterns
2. The Death of the “Big Bang” Rewrite
3. The Strangler Fig Pattern
4. Real-World Case: The Brazilian E-commerce Pivot
5. Branch by Abstraction
6. Trade-offs: The “In-Between” State
7. Anti-Patterns: The Road to Failure
8. Migration “What Good Looks Like” Checklist
9. Key Takeaways

Chapter 6

1. Decoupling the Monolith
2. Data Entanglement: The Hardest Problem
3. Strategies for Splitting the Data
4. Anti-Corruption Layers (ACL): The Firewall for Your Domain
5. Real-World Example: The “Ghost” Customer
6. Trade-offs: The Price of Independence
7. Anti-Patterns
8. “What Good Looks Like” Checklist
9. Key Takeaways

Chapter 7

1. Quantifying the Invisible
2. Debt vs. Mess: Defining the Terms
3. The Technical Debt Quadrant
4. Strategic Debt (Prudent/Deliberate)
5. Frameworks for Measurement: Using Flow Metrics
6. The “Interest” Calculation: Communicating to Stakeholders
7. Anti-Patterns
8. “What Good Looks Like” Snapshot
9. Key Takeaways

Chapter 8: The Language of ROI

1. The Cost of Delay (CoD)
2. Communicating Risk: The “Debt Backlog” for CFOs
3. Negotiating the Roadmap: The 20% Rule
4. Real-World Example: The “Yellow Card” System
5. Anti-Patterns
6. “What Good Looks Like” Snapshot
7. Key Takeaways

Chapter 9: Organizational Topology

1. Conway’s Law: The Mirror Effect
2. The Inverse Conway Maneuver
3. Moving from “Command and Control” to “Guardrails and Autonomy”
4. The Framework for Empowered Teams
5. Real-World Example: The “Self-Service” Migration
6. Team Topologies: The Four Team Types
7. Anti-Patterns
8. “What Good Looks Like” Snapshot
9. Key Takeaways

Chapter 10: The Future of Evolutionary Systems

1. AI and Self-Healing Architectures: The Next Frontier
2. The Shift in the Architect’s Role

Conclusion: Building for the Unknown

1. Final Principles for the Evolutionary Leader:
2. “What Future-Proof Looks Like” Checklist
3. Key Takeaways

The Impact