ApplicationsIt is common to structure applications according to three layers for presentation, business logic and data access. The presentation layer handles different information views. The business logic layer handles business rules, algorithms and data processing. The data access layer integrates with databases, services and systems.
SystemsApplications commonly have a 3-layer architecture similar to the example above, systems are far more diverse. The following example includes a business process, service, component and data services layer. This type of 4-layer architecture is typical of a SOA or microservices architecture.
|Overview: Architecture Layers|
A stack structure that is used to organize software elements.