When I was attending night school to become a programmer, I learned several design patterns: singleton, repository, factory, builder, decorator, etc. Design patterns give us a proven solution to existing and recurring problems. What I didn’t learn was that a similar mechanism exists on a higher level: software architecture patterns. These are patterns for the overall layout of your application or applications. They all have advantages and disadvantages. And they all address specific issues.
Layered Pattern
The layered pattern is probably one of the most well-known software architecture patterns. Many developers use it, without really knowing its name. The idea is to split up your code into “layers”, where each layer has a certain responsibility and provides a service to a higher layer.
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