The three tiers that are present in this architecture are as follows:
- The presentation tier
- The application or business logic tier
- Data tier
The diagram depicting the three-tier client-server architecture is as follows:
In a three-tier architecture, the different layers are developed and maintained as different modules, sometimes on different platforms as well. The following are the functions of each layer:
- Presentation tier: This is the first and topmost layer which is present in the application. This tier provides presentation services, that is presentation, of content to the end user through GUI. This tier can be accessed through any type of client device like desktop, laptop, tablet, mobile, thin client, and so on. For the content to the displayed to the user, the relevant web pages should be fetched by the web browser or other presentation...