Framing

To provide service to the network layer, the data link layer must use the service provided to it by the physical layer. As seen in … Read more

OSI vs TCP/IP

OSI Model TCP/IP Model Consists of seven layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application. Consists of four layers: Network Interface, Internet, Transport, … Read more

OSI Reference Model

The OSI (Open Systems Interconnection) model is a conceptual framework that standardizes the functions of a communication system into seven different layers. Each layer has … Read more