+---------+  r_vin  +--------+        +--------+     +----------+
  |  Media  |<--------|  RTP   |        |Network |     |   RTP    |
  | Encoder |========>| Sender |=======>|  Node  |====>| Receiver |  
  +---------+  r_vout +--------+ r_send +--------+     +----------+
                          /|\                                |
                           |                                 |
                           +---------------------------------+
                                 RTCP Feedback Report