3 docs tagged with "layers"

The architecture should scream the system's intent. Clean Architecture's four concentric rings define the dependency rule in practice. Testable architectures, Humble Objects, and partial boundaries complete the practical application model.

Lambda Layers, Versions, and Aliases for DVA-C02. Layer structure, sharing across functions, version immutability, alias routing for canary deployments, and $LATEST vs published versions.

The OSI 7-layer model and TCP/IP 4-layer model — each layer's role, protocols, and how data encapsulation works end-to-end.