Layers of the OSI Model - Layers of the OSI Model No 7 6 5...

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Layers of the OSI Model No Layer Name Layer Function 7 Application Layer Network process to application 6 Presentation Layer Data representation and encryption 5 Session Layer Inter-host communication 4 Transport Layer End-to-end connections and reliability 3 Network Layer Path determination and logical addressing (IP) 2 Data Link Layer Physical addressing (MAC & LLC) 1 Physical Layer Media, signal and binary transmission The OSI reference model divides network communication into seven layers. Each layer covers different network activities, equipment, or protocols. The table below represents the layered architecture of the OSI reference model. The OSI reference model defines how each layer communicates and works with the layers immediately above and below it. Each layer of the OSI model provides some service or action that prepares the data for delivery over the network to another computer. The lowest layers, ie: 1 and 2 define the network's
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  • Spring '13
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