Transporting real time transcoded Video Over The Internet using end-to-end control

Video transmission over the Internet is becoming very popular with the majority of applications transporting stored pre-encoded video from server to client. These new applications have strict timing and loss requirements, which the current deployment of the Internet is unable to guarantee. To enable quality streaming of real time video, the application has to be rate adaptive and use feedback signalling to learn about the network condition, in order to adjust their sending rate to match the available network bandwidth. In this paper we confront this problem by describing: (1) an end-to-end protocol for the transportation of real time video, which gracefully degrades picture quality adapts the video transmission rate (quality): (2) an efficient and error resilient packetisation scheme: and (3) an effective feedback control scheme that is responsive to varying network conditions. This is achieved by the integration and cooperation between the application and transport layers.