Computer Networking › Section B · The application layer › Topic B.7
Video streaming and content distribution networks
Streaming services deliver films smoothly to millions of screens over a network that promises nothing about throughput. They manage it with ordinary HTTP, a buffer in the player, many versions of every video, and servers placed as close to viewers as possible.
In this topic
- Streaming stored video over HTTP
- The playout buffer
- Adaptive streaming: DASH and HLS
- How the player chooses a rate
- Worked example: choosing from a ladder
- Worked example: a draining buffer
- Content distribution networks
- Steering each request to a server
- Case studies: Netflix and YouTube
- Measuring the viewer's experience
- Common mistakes to avoid
- Key takeaways
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