title: What is the best way to make multicast video stream: RTSP or RTMFP?
body: <p>What is the best way to make multicast video stream: RTSP or RTMFP? </p>
  
  <p>And what is the difference between these two methods: RTSP sends video direct to users over protocols IGM &amp; BGP (PIM) for multicast send, but RTMFP uses server in the middle to retranslate video to users?</p>