Forensic Watermarking Decision Sheet

A one-page reference for the forensic-watermarking decision: the prevent-vs-trace boundary (DRM stops at the screen, the watermark rides through it), the three insertion points (client-side vs server-side A/B vs edge) with their security/cost/coverage trade-offs, the server-side A/B mechanics (two variants per segment, a per-session A/B pattern as the identifier, standardized as ETSI TS 104 002), the live detection loop on a clock (monitor, extract, map to session, cut — within minutes), when co