- AWS 7 Rs Migration Strategies
The AWS 7 Rs migration strategies (rehost, relocate, replatform, refactor, repurchase, retire, retain) and AWS Prescriptive Guidance on large portfolio migrations — move first, modernize later.
- Strangler Fig
Describes the Strangler Fig pattern for incrementally migrating a monolith to microservices behind a proxy layer, with AWS implementations, benefits, and challenges.
- Anti Corruption Layer Pattern
Describes how a façade or adapter layer translates between subsystems with different semantics so a new application's design is not constrained by legacy or external systems.
- Strangler Fig Pattern
Incrementally migrate a legacy system by routing functionality through a façade and replacing it piece by piece with new services until the old system can be retired.