RTSP

from The Free On-line Dictionary of Computing (8 July 2008)

Real Time Streaming Protocol
RTSP

   <multimedia, networking, protocol> (RTSP) An {application
   layer} {protocol} for controlling delivery of a {stream} of
   {real-time} {multimedia} 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 by {RealNetworks}, {Netscape
   Communications}, and {Columbia University}, and is described
   in {RFC 2326}, April 1998.  RTSP is an {IETF} proposed
   {standard}.

   FAQ
   (http://real.com/devzone/library/fireprot/rtsp/faq.html).

   (1999-08-26)

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

RTSP
       Real Time Streaming Protocol (TV, WWW, UDP, TCP/IP, RDP,
Multicast, VoIP, RFC 2326)