Layered Architectures

Before understanding the reasons behind the creation and adoption of the MVC pattern, we need to understand how and why a well-structured application is organized in layers. The next section is dedicated to a short summary of layered architectures. Next, we will analyze the MVC pattern and its ASP.NET Core implementation in detail.

The different activities of a web application

All business applications, and, in general, all non-trivial web applications, perform three kinds of activities:

1. Interacting with the user to take their inputs and to return results. This activity is called Presentation.

2. Performing business-specific processing on data. For instance, a personnel management application computes salaries taxes, etc., while an E-Commerce ...