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Consumer Electronics by S. P. Bali

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PACKET SWITCHING

Figure 42.8 depicts both the conceptual structure and the conceptual operation of a packet switched network. A single message at the source is broken up into packets for transmission through the network. Included in each packet is a header containing address and other control information. Each packet is relayed through the network in a store-and-forward fashion similar to a message switching network. At the destination node, the packets are reassembled into the original contiguous message and delivered.

 

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Fig. 42.8 Packet-switching network

 

The main feature of a packet switching operation is the manner, in which the transmission ...

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