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What is User Datagram Protocol?

It is one of the base protocols of the Internet protocol suite. With this, all programs can send messages known as ‘data diagrams’ to one another however it is comparatively less reliable than TCP.

It is relatively fast and efficient for many time-sensitive purposes and is also useful for small servers; UDP is basically needed for broadcast as well as multi-cast.

Network applications that make use of this protocol are inclusive of Domain Name System, streaming media applications, Voice over IP, Trivial File Transfer Protocol.