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Explain about TCP flow control TCP utilizes a flow control protocol from one end to another end for avoiding the sender to send data too quickly for the TCP receiver to receive and process it in a reliable manner. Machines of diverse network can communicate quickly by having the flow control mechanism.
TCP utilizes a sliding window flow control protocol. In every TCP segment, the receiver is specified in a receive window field, the additional received data that is to buffer for the connection. When a window of size 0 is advertised by a receiver, the data sending is stopped by the sender and starts the persist timer. The TCP dead lock situation is protected by the persist timer. The TCP sender sends the packet and the receiver sends the acknowledgement with the new size of window, at the time of expiring the persist timer.
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