Keepalive is a networking feature that keeps a connection between two devices open for an extended period of time, even if no data is transmitted. For example, it is commonly used to maintain open connections between web browsers and servers. When a user visits a website, the browser establishes a connection with the server to request the website’s content. By default, this connection is terminated after a short time if there is no communication between the client and server. However, by using Keepalive, the server can send a signal to the client at regular intervals to keep the connection alive, allowing for faster subsequent requests and responses.
See also: connection-oriented protocol, ping
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