Introduction - If you have any usage issues, please Google them yourself
HTML 5 WebSocket server and browser of two-way communication, two-way communication message the server push development is more simple, the most common is the im and the application of real-time demand information is higher.Before the server message push most used are polling and long connection technology, both in technology will produce considerable overhead to the server, and real-time performance is not particularly high.WebSocket technology to produce only small fraction of overhead, and particularly high real time capability