rtpA protocol is desned to handle real-time traffic (like audio and video) of the Internet, is known as Real Time Transport Protocol (RTP). RTP must be used with UDP . It does not have any delivery mechanism like multicastingRTP Control Protocol is used in conjunction with RTP to send information back to the sender about the media stream. RTCP is primarily used for the client to send quality of service ( QoS ) data, such as jitter, packet loss