State of the Union

on YouTube ↗14m

" summary

Company reports 300 million audio and video calls on Messenger daily and launches 32-person video calls on WhatsApp while promising larger scales. A unified stack uses WebRTC plus a C++ client library rsys <10MB that runs on iOS, Android, Mac, Windows and Oculus. Network fixes include selective forwarding, simulcasting, temporal layering and bandwidth estimator tweaks. Reliability tracking via a composite percentage bad metric yields a 7% global improvement and 19.6% improvement in the US. P95 screen-share latency on Oculus Windows is under 81 ms.

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" chapters (4)

1. 0:00Start
2. 1:59RTC Avatars
3. 8:49Reliability
4. 11:46Virtual Desktop

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