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Networks

Saturday, September 25, 2004

What is UDP?

This one is also one of the imp Protocols. Its always compared with TCP/IP.....

UDP


User Datagram Protocol (UDP) provides an unreliable packetized data transfer service between endpoints on an internet. UDP depends on IP to move packets around the network on its behalf.

UDP does not guarantee to actually deliver the data to the destination, nor does it guarantee that data packets will be delivered to the destination in the order in which they were sent by the source, nor does it guarantee that only one copy of the data will be delivered to the destination. UDP does guarantee data integrity, and it does this by adding a checksum to the data before transmission. (Some machines run with UDP checksum generation disabled, in which case data corruption or truncation can go undetected. Very few people think this is a good idea.)

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