Theme: Data transmission based on channel and packet switching



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Packet Switching


The most important principle of the networks with a packet switched data submission is transmitted over the network in the form of structurally separated from each other pieces of data called packets. Each packet has a header, which contains the destination address, and other supporting information (length of the data field, a checksum, and others.), Used for the delivery to the addressee of the package.

Having address in each packet is one of the most important features of packet switching technology, since each packet can be processed independently of the other switch packets constituting the network traffic. In addition to the title in the package may have one additional field to be placed at the end of the package and so-called trailer. In the trailer is usually placed checksum, which allows you to check whether the information has been corrupted during transmission over the network or not.





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