Software Architecture
1. Layers
1.1. Second Most Minimal Strat
1.1.1. Presentation Layer
- the front
- mobile, web, desktop application …
1.1.2. Application Layer
- Generic enablement of the software
- neither business nor presentation
- orchestrates the rest
1.1.3. Business/Domain Layer
- the control flows
- the domain specific intellect
1.1.4. Persistence/Data Access Layer
- code necessary to access the database layer
- SQL, ORMs
1.1.5. Database Layer
- Core CRUD ops here
- could be a file server/database server
1.2. Most Minimal Strat
1.2.1. Presentation
1.3. N-tier
- usually synonyms for anything non-monolithic
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