XON/XOFF ⇝

software handshaking

<communications>

The transmission of extra data on a channel in order to control the device sending data in the other direction on that channel. For an EIA-232 connection, this means sending Control-S and Control-Q characters to stop and start transmission.

Since software handshaking requires the transmission and processing of extra data it can be less efficient than hardware handshaking.

Last updated: 1996-10-16

Nearby terms:

Software Engineering Environment ♦ software handshaking ♦ software interrupt

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