RTSP (Real Time Streaming Protocol) - (RFC 2326) - RTSP was designed for more efficient and developed delivery of streamed multimedia over IP networks. Real Networks, Columbia University and Netscape Communications jointly developed RTSP in the MMUSIC working group of the Internet Engineering Task Force (IETF). It was published in April of 1998 as a Proposed Standard by the IETF. https://en.wikipedia.org/wiki/RTSP