One-page reference: real-time vs after-the-fact moderation; the SFU as the single tap point for video, audio, and text; the E2EE-vs-server-moderation fork (SFrame, RFC 9605); frame sampling math ($1.80->$0.12/min at 2 fps) and the layered hash-then-classifier-then-audio-then-text pipeline; the confidence->action ladder with the false-positive/false-negative trade-off; the CSAM legal path (PhotoDNA hash match, seal evidence, report to NCMEC under 18 U.S.C. 2258A); and a build-vs-buy checklist.
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The book · Volume 3 of 7
Video Streaming: A Complete Guide to Video Delivery: From ABR and CDNs to Players, WebRTC, DRM, and the Economics of Streaming
This real-time content moderation cheat sheet explains the SFU as the single tap point, the E2EE fork, frame sampling math, the layered moderation pipeline and the confidence-to-action ladder. Volume 3 covers the transport side in depth: WebRTC and SFU architecture, real-time media delivery, QoE monitoring and the economics that set your moderation budget. Written by Nikolay Sapunov, CEO at Fora Soft.
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