Web Sockets
- Formal
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WebSocket is a protocol providing full-duplex communication channels over a single TCP connection.
- Practical
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WebSockets is an advanced technology that makes it possible to open an interactive communication session between the user's browser and a server. With this API, you can send messages to a server and receive event-driven responses without having to poll the server for a reply. It was standardized by the IETF as RFC 6455 in 2011, and the WebSocket API in Web IDL is being standardized by the W3C.
