WebSockets provide a way to establish a persistent, full-duplex communication channel over a single TCP connection between the client (typically a web browser) and the server.
Use Cases for WebSockets:
- Real-Time Applications: Chat applications, live sports updates, real-time gaming, and any application requiring instant updates can benefit from WebSockets.
- Live Feeds: Financial tickers, news feeds, and social media updates are examples where WebSockets can be used to push live data to users.
- Interactive Services: Collaborative editing tools, live customer support chat, and interactive webinars can use WebSockets to enhance user interactio
Good example - https://www.binance.com/en/trade/SOL_USDT?type=spot
Why not use HTTP/REST? Why do you need ws?
- Network Handshake happens for every request
- No way to push server side events (You can use polling but not the best approach)
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💡 Leetcode uses polling when you submit a problem
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