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WebSocket is a computer communications protocol, providing full-duplex communication channels over a single TCP connection. The WebSocket protocol was standardized by the IETF as RFC 6455 in 2011, and the WebSocket API in Web IDL is being standardized by the W3C. WebSocket provides full-duplex communication. In plain words: There is a persistent connection between the client and the server and both parties can start sending data at any time.

I have been using WebSocket for 4 years. I know how HTTP works but not with WebSocket. So I decided to dig a little deeper. With this article, I will help you to understand how the persistent connection works in the WebSocket protocol. …

Jonathan Natanael Siahaan

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