Modernization Is a Journey, Not a Rewrite
Most systems that run the world today were not designed for cloud, scale, or modern security expectations — yet they cannot be turned off.
Successful modernization preserves business value while gradually changing the underlying architecture.
— Viswa
🌱 Strangler Fig Pattern
Incrementally replace legacy functionality with modern services while keeping the original system operational.
🔄 Coexistence Architecture
Allow old and new systems to run side-by-side using APIs, event streams, and anti-corruption layers.
🚚 Lift and Shift
Move systems to cloud infrastructure with minimal code change — fast, but often not cost-optimal long-term.
🛠️ Refactor
Improve internal structure and modularity while keeping external behavior unchanged.
🔁 Replatform
Change runtime, databases, or middleware without full application redesign.
🏗️ Re-architect
Redesign systems to meet future scalability, resilience, and compliance needs.
🧪 Incremental Migration
Start with low-risk, non-critical services to validate patterns and tooling.
📊 Observability First
Logging, metrics, and tracing must exist before changes — not after failures.
🤝 Organizational Readiness
Team skills, culture, and incentives determine modernization success.
— Viswa