Layer (or abstraction level, or a layer of abstraction) is a way of hiding the implementation details of a particular set of functionality.

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How to document/verify consistent layering?

I have recently moved to the dark side: I am now a CUSTOMER of software development -- mainly websites. With this new role comes new concerns. As a programmer i know how solid an application ...
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3answers
756 views

Recommended content for layers

As an expansion from my previous question about using separate projects for seperate layers - Good practice on Visual Studio Solutions I now wish to know if I am putting the right functionality in ...
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GUI, BLL, DAL Organization In A Project

I'm reading about application layers, and want to use this design in my next project (c#, .Net). Some questions: Is the separation of layers done through namespaces? Project.BLL.Whatever, ...
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1answer
2k views

What are “User Process Components”?

This article about application architecture design mentions "User Process Components" as part of the presentation layer. User process components. Your user process components help synchronize and ...
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847 views

Can it be useful to build an application starting with the GUI?

The trend in application design and development seems to be starting with the "guts": the domain, then data access, then infrastructure, etc. The GUI seems to usually come later in the process. I ...