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The timer prevents a long idle connection between two tcps and is called

Answer»

er that PREVENTS long idle connection between TWO TCPs is called Keep Alive timer. A KeepAlive is a MESSAGE that one TCP host sends to the other host to check if the link that is between both of them is not broken and is still FUNCTIONAL. Because a long idle connection MAY lead to problems later on when one of the hosts tries to send something to the other. So, as soon as the Keep Alive timer hits 0, it sends an ACK (acknowledgement) packet to the other host "keep the connection alive.



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