What is UDP?

UDP is a connectionless data transfer protocol for sending data over the Internet.

UDP is one of the commonly used protocols for sending packets over the Internet, the other being TCP. It is a stateless protocol. It doesn’t check that packets have reached their destination. This is also called connectionless communication. It passes data without handshakes, error checking, etc. These are used with TCP. Rather, UDP assumes that error checking and correction are not necessary. By taking out this network interface level, it is a faster protocol.

Continue Reading: Why Does OpenVPN Use UDP and TCP?

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