This white paper explores how to effectively test native OTT video streaming applications using Infovista’s TEMS generic testing framework and Video Streaming Quality Index. As the OTT video market grows rapidly, driven by rising consumer demand and expanding content delivery ecosystems, evaluating user‑perceived streaming quality has become increasingly complex. The paper outlines key enablers of OTT streaming, identifies critical quality metrics, and highlights challenges in measuring real user experience. It introduces a pragmatic testing approach that combines application‑level metrics with the VSQI, enabling consistent, reliable assessment of video streaming performance across devices, networks, and scenarios to support better quality of experience management.

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