This paper explains the 2 popular reference models: OSI reference model and TCP/IP model, by comparing the functionality of each layer in both models.

2. The seven layers of the OSI model somewhat correspond with the four layers that make up the TCP/IP protocol. The TCP layer packages the data into packets.

The TCP/IP model is simpler than the traditional OSI model but still retains the fundamental networking concepts necessary for communication. Transmission Control Protocol (TCP): Ensuring Reliable ...

A tutorial on the Open Systems Interconnection (OSI) networking reference model plus tips on how to memorize the seven layers.