Stands for “User Datagram Protocol.”

UDP is an information transport protocol throughout the Internet Protocol (IP) suite. UDP is a connectionless protocol that doesn’t depend on two hosts establishing a connection earlier than transferring datagrams. Streaming media, on-line gaming, and different conditions the place low latency is more necessary than the occasional dropped information will use UDP.

Compared to different information switch protocols like TCP, SSH, and HTTPS, UDP is an easy strategy to ship information. The device sending the datagrams doesn’t want to ascertain a connection, ask whether or not every packet has been acquired, and re-send any information misplaced in transit. Instead, it sends a collection of datagrams containing the vacation spot IP deal with, routing info, and payload as quick as attainable. Skipping the connection and verification steps implies that UDP has much less overhead and latency than different protocols.

However, there isn’t a assure that the device receiving the datagrams is getting all of them. If network congestion causes some datagrams to get dropped, there isn’t a manner for the receiving device to ask for the information once more. In the case of a video name over the Internet, a decrease latency means that there’s much less of a delay between one finish of the decision saying one thing and the opposite finish listening to it. If the connection between the 2 ends slows down and a few datagrams are misplaced, the video might minimize out for a second earlier than resuming.

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