UDP is slower than TCP because it does not confirm that the package was delivered, as result UDP it not used for secured connections. Because it does not have delivery conformation it works faster than TCP, that's one of reasons why it's used for many internet pagers.
UDP is a layer 4 (transport) protocol.
TCP is the protocol of network layer, It is connection oriented protocol. UDP is the protocol of network layer, It is connection less protocol.
The most popular example of UDP protocol usage is video streaming such as Youtube, Twitch, etc.
UDP!
UDP is a Transport layer protocol or fourth layer protocol. UDP is a connection less protocol used in transport layer. UDP header have four fields in total .
UDP
17
user datagram protocol
UDP and ports 67 and 68.
guaranteed derively
ip udp
RIP uses UDP protocol with port number 520