What Is the Application Layer?
Explore the role of the application layer in networking, focusing on how it enables end-user applications to communicate over the internet. Learn about its responsibilities, where it resides, and key protocols such as HTTP, email, DNS, and BitTorrent that make modern network applications possible.
You Are Here!
We’re starting our study of the TCP/IP layers with the application layer.
Key Responsibilities of the Application Layer
The main job of the application layer is to enable end-users to access the Internet via a number of applications. This involves:
- Writing data off to the network in a format that is compliant with the protocol in use.
- Reading data from the end-user.
- Providing