[KongchangAI]
Unverified50% confidenceFactExact time

Socket.IO 等主流实时通信库将「重试后降级」机制称为传输降级(Transport Fallback),连接优先级通常为 WebSocket → HTTP 长轮询或 SSE

1
Sources
50%
Confidence
Long-term
Relevance
7/7/2026
First Seen

Sources

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