What is the fundamental difference between WebSockets and pure TCP?

Posted by xap4o on Stack Overflow See other posts from Stack Overflow or by xap4o
Published on 2010-04-21T08:17:32Z Indexed on 2010/04/21 8:23 UTC
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I've read about WebSockets and I wonder why browser couldn't simply open trivial TCP connection and communicate with server like any other desktop application. And why this communication is possible via websockets?

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