Jul 25, 2023 · Fundamentals

How to Keep TCP Connections Alive: Heartbeat, Retransmission, and Timeout Techniques

This article explains how unstable network conditions cause TCP disconnections in video conferencing, and provides detailed guidance on TCP/IP heartbeat mechanisms, packet loss retransmission, socket keep‑alive configuration, libwebsockets integration, and non‑blocking connect timeout control with code examples.

HeartbeatSocketTCP

0 likes · 21 min read

How to Keep TCP Connections Alive: Heartbeat, Retransmission, and Timeout Techniques

Liangxu Linux

Jul 16, 2023 · Backend Development

Ensuring TCP Connections Stay Alive for 60 Seconds During Unstable Networks

This article explains how TCP/IP heartbeat and retransmission mechanisms work, shows how to configure Windows keep‑alive parameters, demonstrates using libwebsockets’ keep‑alive settings, and provides non‑blocking socket + select code to detect connection failures and enforce a 60‑second reconnection window for video conferencing applications.

KeepaliveNetwork programmingSocket

0 likes · 22 min read

Ensuring TCP Connections Stay Alive for 60 Seconds During Unstable Networks

How to Keep TCP Connections Alive: Heartbeat, Retransmission, and Timeout Techniques

Ensuring TCP Connections Stay Alive for 60 Seconds During Unstable Networks

Ensuring TCP Connections Stay Alive for 60 Seconds During Unstable Networks