At some application the client needs to check frequently that does some data is avialble on server? if yes then server does reponse it to client, for this the client need to do request frequently, which is not good because of performance point of view. So at this case we are using long polling method,
At this method once a client do a request to server for some response and whenever the response is available at server, it forwards to client. So through the Ajax long polling we set the particular timeout, and in that time a connection is being on between the server and client. Server will response the request whenever it gets the data. Overall process is called Ajax long polling.
At this method once a client do a request to server for some response and whenever the response is available at server, it forwards to client. So through the Ajax long polling we set the particular timeout, and in that time a connection is being on between the server and client. Server will response the request whenever it gets the data. Overall process is called Ajax long polling.
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