UDP: User Datagram Protocol [RFC 768 No frills, ""bare bones" Internet transport protocol *"Best effort"service, UDP segments may be * Lost Delivered out of order to app Connectionless No handshaking between UDP sender, receiver Each UDP segment handled independently of others 2021/2/8UDP: User Datagram Protocol [RFC 768]  “No frills,” “bare bones” Internet transport protocol  “Best effort” service, UDP segments may be:  Lost  Delivered out of order to app  Connectionless:  No handshaking between UDP sender, receiver  Each UDP segment handled independently of others 2021/2/8 6