Measuring Quality of Experience
The most widely accepted measure of video QoE is average bit rate – the average bandwidth being consumed by the video stream from origin server to the client viewing the content. The bit rate may vary for each video being streamed based on the resolution, the quality of the viewing screen, available bandwidth in the network path and congestion in the network. In the case of ABR, the bit rate may vary in real time during the stream based on network congestion.
So, during a period of time in which many videos are being streamed, the average of all streams or average bitrate for a specific content provider or a specific operator will be the best indicator of the quality of viewing experience for users.
A comparison of QoE for streaming video must measure the average bit rate of streams at the same point in time, within the same network and for the same content providers. With this data, we can compare the average bit rate for video streamed from an open cache with the average bit rate for a video originated further upstream from a content provider server.
Video Fabric Controller
Next Generation Open Caching
Qwilt’s QB-Series Video Fabric Controller combines open caching, media delivery, and analytics in a turnkey, carrier-grade platform designed for caching and delivering OTT on-demand and live-streaming video.
World’s leading cable and broadband service providers rely on Qwilt for managing their video network infrastructure, delivering top quality viewing experience to their subscribers, and preparing their networks for the future of online video.