tcp ip model

The TCP/IP model, also known as the Internet Protocol Suite, differs from the OSI model primarily in its layer structure, where it has only 5 layers.

diagram

Here, application layer combines functionalities of OSI's Application, Presentation, and Session Layers.

In essence, while both models serve as frameworks for understanding network communication, the TCP/IP model is more practically used and reflects the true implementation of network protocols, particularly in the context of the internet.