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Unformatted text preview: Layer 4: Transport – divides data flow into segments and numbers these to provide error detection and correction; handles windowing and congestion control (for example, TCP) Layer 3: Network – provides packet segmentation where needed, handles addressing issues and determines best route for sending the packet (for example, IP) Layer 2: Data Link – frames segments, providing them with a physical address and error checking (for example, switch filtering) Layer 1: Physical – encodes the frames into the transmission medium expression method for 1s and 0s (for example, Ethernet)...
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This note was uploaded on 03/26/2012 for the course ITC 020 taught by Professor Abcd during the Spring '12 term at Andrew Jackson.
- Spring '12