Kerrosarkkitehtuuri
Kerrosarkkitehtuuri, known in English as layered architecture, is a software architecture pattern in which components are organized into discrete layers arranged in a hierarchical order. Each layer provides services to the layer above it and relies only on the abstraction of the layer below, enabling modular separation of concerns. The pattern is widely used in enterprise application design, operating systems, middleware, and larger distribution systems like Internet of Things deployments.
Typical layers include a user interface layer, a business logic or application layer, a domain or service
The main strengths of the model are clear separation of concerns, facilitate understanding of system structure,
Kerrosarkkitehtuuri is often contrasted with other styles such as monolithic, microkernel, microservices, and event‑driven architectures. Its