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The client sends an HTTP request (method GET, version ≥ 1.1) and the server returns an HTTP response with status code 101 (Switching Protocols) on success.This means a WebSocket server can use the same port as HTTP (80) and HTTPS (443) because the handshake is compatible with HTTP.
The WebSocket protocol is implemented in different web browsers, web servers, and run-time environments and libraries acting as clients or servers. The following is a table of different features of notable WebSocket implementations.
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Comet applications attempt to eliminate the limitations of the page-by-page web model and traditional polling by offering two-way sustained interaction, using a persistent or long-lasting HTTP connection between the server and the client.
The biggest interview red flag, according to an ex-Meta recruiter—and why the controversial thank-you note is a major win in her eyes Orianna Rosa Royle February 20, 2024 at 10:22 AM
Jakarta WebSocket: API specification that defines a set of APIs to service WebSocket connections; Jakarta Faces: a technology for constructing user interfaces out of components; Jakarta Expression Language (EL) is a simple language originally designed to satisfy the specific needs of web application developers. It is used specifically in ...
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Socket.IO primarily uses the WebSocket protocol with polling as a fallback option, while providing the same interface. [5] Although it can be used simply as a wrapper for WebSockets, it provides many additional features such as heartbeats and timeouts. [5] It can be installed with the npm (Node Package Manager). [6]