The most popular example of UDP protocol usage is video streaming such as YouTube, Twitch, etc.
I believe Skype uses UDP or User Datagram Protocol.
UDP is a layer 4 (transport) protocol.
FTP uses TCP.Usage of Transport Layer protocol (tcp or udp) depends upon various applications.Such as FTP uses TCP, TFTP uses UDP.
UDP - primarily for speed is used to transport voice packets in a VoIP deployment.
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 .
Transport layer TCP/IP Protocols are TCP and UDP
TFTP uses UDP - TFTP stands for Trivial FTP, and it is called trivial because it does not check to ensure delivery, it uses UDP which makes a best-effort delivery attempt
EIGRP uses port no. 88, but it is not use TCP or UDP, it's uses RTP(Reliable Transport Protocol).
UDP and ports 67 and 68.
**The TCP transport layer protocol uses windowing and acknowledgments for reliable transfer of data. **The TCP and UDP port numbers are used by application layer protocols. **The TCP transport layer protocol provides services to direct the data packets to their destination hosts.
I believe Skype uses UDP or User Datagram Protocol.
RIP uses UDP protocol with port number 520