UDP refers to User datagram protocol. This is one of the core members of the internet protocol suite also known simply as IP. UDP is characterized by the fact that it provides connectionless fast transport of data at layer 4, it relies on application data protocols for error detection, and it works well when an application does not need to guarantee delivery of data.
It is not true that it works at layer C or that it relies on IP for detection and recovery. This protocol was designed in 1980 by David P. Reed and was originally defined in RFC 768. It can be dangerous as it can expose the user’s computer to reliabilities in the system.
UDP provides connectionless, fast transport of data at Layer 4. 2. UDP relies on application layer protocols for error detection. 3. UDP works well when an application does not need to guarantee delivery of data.
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