Unverified50% confidenceFactExact time
VOD依赖CDN的文件级缓存分发，而直播线性流需要实时编码、低延迟传输协议（如CMAF/DASH-LL或HLS）及全球化实时信令系统
1
Sources
50%
Confidence
Long-term
Relevance
7/12/2026
First Seen
Sources
Related Claims
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