The User Datagram Protocol (UDP) acts as a substitute to TCP when there is a need for speed of communication and quality can be sacrificed.

Question

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UDP provides faster communication as it does not guarantee reliable delivery of data and does not involve the overhead of error-checking and retransmission of lost packets, which are features provided by TCP. However, this speed comes at the expense of quality as there is no guarantee that all packets will be delivered or received in the correct order.

The User Datagram Protocol (UDP) Acts as a Substitute to TCP