Relacionar Columnas Digital Data Communication Versión en línea Techniques and Multiplexing por Aidora Abdullah 1 2 Time Division Multiplexing 3 Uses of parallel transmission 4 Bits are sent simultaneously over a number of lateral wires. 5 The layer in the OSI reference model which is the junction for multiplexing and demultiplexing. 6 Demultiplexing delivers received segments at the receiver side to this layer in the OSI reference model. 7 Multiplexing technique to transmit analog signals. 8 Sending data from one particular device to another, and measured in bits. 9 Example of duplex transmission 10 11 Example of half-duplex transmission 12 The form that data travels in digital devices. 13 The 4-tuple to identify a TCP socket in connection-oriented multiplexing and demultiplexing 14 Bits are sent consecutively over a single wire. 15 Disadvantages of parallel transmission 16 Wavelength division multiplexing (WDM) 17 18 Uses of serial transmission 19 20 Example of simplex transmission Uses light signals transmitted through fiber optic channels whereby very narrow bands of light are combined from several sources to make a wider band of light. Transport Layer Takes data stream from one high-speed line and breaks into portions and sends over several lower-speed lines simultaneously. serial transmission Data transmission Integrated circuits, busses, connecting internal hard disk to a CPU. source IP address source port number destination IP address destination port number Frequency Division Multiplexing (FDM) Data can be lost, receiving device has to reorder data, crosstalk. Long range transfers, almsot all external components connected to another device, connecting a phone/keyboard/printer to a laptop. Multiplexing Example of connectionless multiplexing and demultiplexing Application layer parallel transmission Demultiplexing
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