Architectural Pattern:Layers e Idea behind Layer patterns Organize the large-scale logical structure of a system into discrete layers of distinct, related responsibilities with a clean, cohesive separation of concerns such that the lower layers are low-level and general services and the higher layers are more application speciflC Collaboration and coupling is from higher to lower layersArchitectural Pattern:Layers Idea behind Layer patterns: ⚫ Organize the large-scale logical structure of a system into discrete layers of distinct, related responsibilities with a clean, cohesive separation of concerns such that the “lower” layers are low-level and general services, and the higher layers are more application specific. ⚫ Collaboration and coupling is from higher to lower layers