packet switching

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Method of transmitting data between computers connected in a network. Packet switched networks do not provide a dedicated connection between two locations, as with a circuit switched network. Packet switched networks make more effective use of bandwidth than circuit switched networks, and are more resilient to breaks in network links because there are always multiple routes from source to destination.

It is possible that a large message be broken down into many small packets, each equipped with a sequence number to ensure it can be reassembled properly if some packets take a different route through the network of switches and arrive out of order.

The emblem reflects the Vatican's importance as the headquarters of the Roman Catholic Church. The colours of the flag are based on the gold and silver of the papal keys. Effective date: 8 June 1929. >>