ISPs + apps start trading QoE signals in real time
CableLabs and Zoom completed a pilot validating CableLabs' Quality by Design (QbD) framework, which enables broadband networks and applications to exchange real-time performance telemetry (latency, jitter, packet loss) to identify and resolve quality issues automatically. The pilot incorporated Zoom's "Client as a Sensor" capability (introduced in Zoom 6.1.0) to feed application-level metrics into QbD, and CableLabs plans a next phase with Meta to extend experience measurement to applications that cannot share real-time telemetry via network monitoring and scoring methods.
Key Takeaways
- QbD establishes a real-time feedback loop between app performance data and broadband network telemetry.
- Zoom’s “Client as a Sensor” supplies application-level metrics (latency, jitter, packet loss) to improve root-cause visibility and automated remediation.
- CableLabs’ next phase with Meta targets “non-cooperative” apps via network monitoring and experience-scoring methods.
- The framework is positioned as privacy-preserving while still enabling actionable QoE optimization across access technologies.
Why It Matters
Streaming quality debates have been stuck in a blame game: apps point at ISPs, ISPs point at devices, and customers churn either way. QbD is a bid to turn QoE into an interoperable control plane—where applications expose just enough performance truth for networks to react in real time. If this scales beyond Zoom, it could reshape how operators prioritize traffic, how streaming platforms diagnose incidents, and how CDNs/edge strategies are justified to executives (“prove the experience delta”). The Meta phase is the tell: the industry wants QoE scoring even without app cooperation—raising stakes for measurement standards and competitive differentiation.
Read full article at lightreading.com
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