Why is flow control used

Flow Control. Techopedia Explains Flow Control. What Does Flow Control Mean? Techopedia Explains Flow Control Networks of any size have many different devices connected and each device has unique data transmission parameters.

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Editors: David Padua. Contents Search. Flow Control. This is used in the network layer and the transport layer. Data link layer uses feedback based flow control mechanisms. On receiving the acknowledgment frame, the sender understands that the receiver is ready to accept the next frame.

So it sender the next frame in queue. This protocol improves the efficiency of stop and wait protocol by allowing multiple frames to be transmitted before receiving an acknowledgment. Both the sender and the receiver has finite sized buffers called windows.