What is the main purpose of using the UDP protocol in network communications?

The main goal of using the UDP (User Datagram Protocol) is to provide a fast, simple, and low-level way of transmitting data over a network without establishing a connection and without delivery guarantees.

UDP is used in cases where speed and minimal latency are important, and the loss of some packets is not critical. For example:

• Video conferencing and streaming video
• Online gaming
• DNS queries

Unlike TCP, UDP does not establish a connection, guarantee the order of delivery, or perform retransmission of lost packets, which reduces overhead and delays.