Th+D2:D47is AWS 3 tier architecture diagram depicts the most common implementation of a multi-tier architecture, with a single presentation tier, logic tier, and data tier. This AWS 3 tier architecture diagram also includes a generic three-tier application example. The most common software architecture for traditional client-server applications is three-tier architecture, dividing applications into three logical and physical computing tiers. Three-tier architecture is a well-known software application architecture that divides applications into three logical, physical computing tiers: the presentation tier or user interface and the data tier, where the application's information is stored and managed and; the application tier, where data is processed.