OSI Model The Open Systems Interconnection Reference Model (OSI Model or OSI Reference Model for short) is a layered abstract description for communications and computer network protocol design, developed as part of the Open Systems Interconnection initiative. It is also called the OSI seven layer model. Purpose The OSI model divides the functions of a [...]

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What is CSMA/CD? CSMA/CD is a modified version of CSMA. A scheme known as carrier sense multiple access with collision detection (CSMA/CD) governs the way the computers share the channel. This scheme is relatively simple compared to the token ring. When one computer on the network wants to send some data to another computer, the [...]

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