Teleport WebRTC Live Streaming's World Cup 2018 success story
Teleport Media helped World Cup 2018 official broadcasters cope with spikes in traffic, falls in video streaming speeds and decreasing bit rates. We used our Teleport WebRTC Live Streaming solution to re-distribute the loads from CDNs into a distributed network.
During live matches we saw sharp increases in internet audiences: sometimes 10 times greater or even 20 times greater than normal. Let's not forget that these peak loads extended to extra time and then to penalty shootouts when necessary.
The online audience doubled in between the start of the pregame show and the beginning of the match. The numbers grew actively after the first goal and continued to grow almost 10 times. We can see how the audience ebbs and flows after each goal or other crucial moment in the game.
The highest spikes occurred at the beginning of extra time and at the end of the penalty shootout, when everyone who could was watching.
We used end user devices to decrease the load on the channel. Naturally, we worked within the framework of the cache sizes allowed by the browser. Interestingly, the more users there are, the better our distributed delivery works, because each new user equals not only a new request for downloading content, but also a potential distributing node.
At the height of viewing demands during the quarter final game Teleport Media successfully handled 60 thousand https requests per second. As a result, more than half of the traffic was redirected into a distributed delivery network instead of a CDN. The quality was mantainted and the live streaming remained stable even when the audience grew over 20 times.
The overload of the CDN during peak loads throughout the matches is confirmed by the speed at which the CDN delivered chunks of the video.
Once the audience increases several times we see a fourfold drop in the CDN delivery speed, whereas Teleport Media Live Streaming ensured an almost totally horizontal level in delivering chunks of video regardless of the number of users in the delivery network. Our speed never went lower than 3 megabits per second, which is enough to support a bitrate of 720p.
At the same time, the average download speed from a CDN during peak loads fell to 1.7 megabytes per second, which meant that significant numbers of users were experiencing buffering.
simultaneous viewers supported by the Teleport Media platform
the minimal delivery speed during spikes in audience numbers
simultaneous https content requests per second
the maximum share of distributed p2p traffic on the Teleport Media platform
the rate at which CDN delivery speeds slowed down during spikes in audience numbers
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