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Difference between 3 tiers and 3 layers applications

The terms tier and layer are frequently used interchangeably, but actually there is a difference between them:Tiers indicate a physical separation of components, which may mean different assemblies such as DLL, EXE, etc... on the same server or multiple servers; but layers refers to a logical separation of components, such...

By Amr SaafanTechnical, EngineeringBLL, DAL, Software Architecture, UILRead more...

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