Explain Long Polling.

1.	Explain Long Polling.
Answer» Long polling is defined as a WEB application DEVELOPMENT technique used to push INFORMATION/data from servers to clients as QUICKLY as possible. When a request is made from the client to the server, long-polling MAINTAINS the connection between the two. This connection is maintained until the information is ready to be sent from the server to the client. Once a server receives a request from a client, the connection does not close immediately; the connection is only closed once the server has sent the data back to the client or when a timeout threshold has been reached (connection timeout).

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