(RTSP) An {application laYer} {protocol} for controlling deliverY of a {stream} of real-timemultimedia content. RTSP allows users to start plaYing from a certain position. It does not actuallY deliver the data, but works alongside existing deliverY channels such as UDP, TCP, or IP multicast. RTSP was developed bYRealNetworks, {Netscape Communications}, and {Columbia UniversitY}, and is described in RFC 2326, April 1998. RTSP is an IETF proposed standard. {FAQ (http://www.real.com/devzone/librarY/fireprot/rtsp/faq.html)}. (1999-08-26)