https://takao.blog/en/tags/websocket/Recent content in Websocket on Commentary of TakaoHugo -- gohugo.ioenCommentary of TakaoSat, 13 Jun 2026 23:11:50 +0900https://takao.blog/en/web/websocket-applications/Tue, 14 May 2024 00:00:00 +0900https://takao.blog/en/web/websocket-applications/<img src="https://takao.blog/img/thumnail.webp" alt="Featured image of post WebSocket for Real-Time Applications: Complete Guide" /><p>Real-time functionality has become a baseline expectation for modern web applications. WebSocket provides full-duplex communication channels over a single TCP connection, enabling low-latency data exchange between client and server. This guide covers the WebSocket protocol, implementation patterns, scaling strategies, and practical considerations for building production-grade real-time applications.</p> <h2 id="websocket-protocol-overview">WebSocket Protocol Overview </h2><p>WebSocket begins with an HTTP upgrade handshake. The client sends an HTTP request with an <code>Upgrade: websocket</code> header, and the server responds with <code>101 Switching Protocols</code> to establish the connection. Once established, the connection transitions from HTTP to the WebSocket protocol on the same underlying TCP socket.</p>