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Sneh Kumar
Sneh Kumar

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Lessons Learned Building a DRM Streaming System

Recently, I worked on a DRM-enabled streaming architecture and discovered how complicated modern video delivery really is.

Some major lessons:

  • DRM is more than encryption
  • Safari playback is painful
  • CORS issues can break everything
  • Token security is critical
  • Adaptive bitrate streaming is mandatory
  • Debugging playback errors is extremely difficult

The most surprising part was how many systems interact together:

  • CDN
  • DRM providers
  • License servers
  • Authentication systems
  • Mobile players
  • Browser APIs
  • Streaming protocols

One small configuration issue can completely stop playback.

I also learned that DRM is about reducing piracy, not eliminating it entirely.

Overall, it was one of the most technically challenging systems I have worked on.

Would love to hear what challenges others faced while working with streaming infrastructure.

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