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25
votes
5answers
5k views

Do stored procedures violate three-tier separation?

Some colleagues of mine have told me that having business logic in stored procedures in the database violates the three-tier separation, since the database belongs to the data layer whereas stored ...
7
votes
2answers
9k views

.NET MVC project architecture / layering

When planning the architecture for a mid-large scale MVC web application how do you implement the layers to be as decoupled as possible and easy to test? (basically follow best practices) Let's say ...
7
votes
1answer
1k views

Definition of a 3-tier system

People often claim that they are following a '3-tier (or n-tier) architecture', and sometimes they then claim to be switching to a Domain Model. But I really never have understood what this mythical ...
8
votes
2answers
6k views

Dependency injection with n-tier Entity Framework solution

I am currently designing an n-tier solution which is using Entity Framework 5 (.net 4) as its data access strategy, but am concerned about how to incorporate dependency injection to make it testable / ...
7
votes
3answers
999 views

Motivation for a service layer (instead of just copying dlls)?

I'm creating an application which has 2 different UIs so I'm making it with a service layer which I understood is appropriate for such scenario. However I found myself just creating web methods for ...