N-Tier Applications
N-Tier Applications -- N-Tier application architecture is the pattern that separates concerns of your systems into a layer of systems. For example, the most common N-Tier application is a three tier application, which consists of the presentation layer, the domain layer, and data layer. The Layers Presentation Layer - The layer of your system that interacts directly with the user. In web projects this is will usually be some sort of javascript framework such as Angular, React, or many others. Application Layer - The layer that encapsulates all your business logic, domain concepts, and interacts with the data layer. In mos web projects, this will usually consist of an HTTP server such as IIS or Apache, and RESTful endpoints such Web API, Spring, or Express. Data Layer - The layer that stores and managers the application data. Popular data stores can be sql or nosql based, such as SQL Server, MYSQL, MongoDB, Cassanda. The advantage of N-Tier applications is that it emphas