A tutorial on the Open Systems Interconnection (OSI) networking reference model plus tips on how to memorize the seven layers. The Open Systems Interconnect (OSI) model is a conceptual framework ...

One of the most widely used is the Transmission Control Protocol/Internet Protocol (TCP/IP). Also, a generic protocol model ... layer down the stack with each layer performing its designated ...

Layer 7 is the purpose of communicating in the first place. For example, a program in a client workstation uses commands to request data from a program in the server. Common functions at this ...