웹소켓 (WebSocket)
실시간 양방향 통신.
Unlike HTTP, which is request-response based, WebSocket allows for persistent, two-way communication between server and client. This is essential for real-time applications like chat, gaming, and financial dashboards (trading bots).
graph LR
Center["웹소켓 (WebSocket)"]:::main
Rel_http["http"]:::related -.-> Center
click Rel_http "/terms/http"
Rel_tcp_ip["tcp-ip"]:::related -.-> Center
click Rel_tcp_ip "/terms/tcp-ip"
Rel_sockets["sockets"]:::related -.-> Center
click Rel_sockets "/terms/sockets"
classDef main fill:#7c3aed,stroke:#8b5cf6,stroke-width:2px,color:white,font-weight:bold,rx:5,ry:5;
classDef pre fill:#0f172a,stroke:#3b82f6,color:#94a3b8,rx:5,ry:5;
classDef child fill:#0f172a,stroke:#10b981,color:#94a3b8,rx:5,ry:5;
classDef related fill:#0f172a,stroke:#8b5cf6,stroke-dasharray: 5 5,color:#94a3b8,rx:5,ry:5;
linkStyle default stroke:#4b5563,stroke-width:2px;
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🧒 5살도 이해할 수 있게 설명
A 'hotline' between a web browser and a server. Instead of asking 'is there new mail?' ([HTTP](/ko/terms/http)), the server can just shout 'HEY, NEW MAIL!' the moment it arrives.