Unverified50% confidenceFactExact time
即时通讯应用为确保实时消息推送需与服务器维持持久连接，通常通过TCP长连接或WebSocket实现，并定期发送心跳包维持活跃
1
Sources
50%
Confidence
Long-term
Relevance
7/8/2026
First Seen
Sources
Why Does WhatsApp Drain So Much Battery? A Deep Dive into the Technical Causes and a Power-Saving Guide
hackernewshackernews7/7/2026
Related Claims
Unverified即时通讯应用为维持实时性需要与服务器维持持久连接并定期发送心跳包，每次心跳会唤醒设备网络模块阻止深度休眠，是耗电根源82% similarUnverifiedWebSocket 基于 TCP 提供全双工通信通道，但在网络抖动时可能因重传导致延迟累积；WebRTC 基于 UDP 牺牲部分可靠性换取更低延迟73% similarUnverifiedSocket provides two main communication modes: TCP (connection-oriented, reliable transmission) and UDP (connectionless, low latency)71% similarUnverified屏幕流式传输常见方案包括VNC协议或基于WebRTC的实时传输，需在低延迟与带宽消耗间取得平衡70% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/289757API
curl https://kongchang.com/api/v1/knowledge/claims/289757MCP
get_claim(id=289757)