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Flow control

Flow control is a mechanism or code that compensates for differences in the flow of data into and out of a communication device, such as a computer Modem or network device. Flow control is necessary for data communications because the sending computer may be faster than the receiving computer; sending the data too fast would result in errors or lost data.

Tip: Don't confuse Flow control with Control Flow.

Also see: Error control, Modem terms, Software flow control