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Synopsis Streaming video places separate operational demands on manifests, segments, and license services. Multi-CDN designs must account for HLS and DASH behavior, CMAF packaging, low-latency modes, cache policy, access control, session stickiness, failover, and quality-of-experience telemetry. Protocol context Most HTTP streaming uses HLS or MPEG-DASH. Both expose a manifest that references media segments. CMAF provides a common container and supports small chunks for low latency playback. The CDN caches manifests and segments and forwards misses to a packager or origin. Multi-CDN adds parallel caches and different network paths, so parity of behavior is required for correctness and quality. ...