UDP (User Datagram Protocol)

The UDP is one of the main protocols of the Internet protocol suite.

With UDP, systems can send messages or datagrams to other hosts on an IP network.

UDP is a simple connection-less communication model with a minimum of protocol mechanisms. It has no handshaking dialogues; there is no guarantee of delivery, ordering, or duplicate protection.

If error-correction facilities are needed at the network interface level, an application may instead use Transmission Control Protocol (TCP) or Stream Control Transmission Protocol (SCTP), designed for this purpose.

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