Handshaking
verb
To perform a handshake; to shake hands.
To perform a handshake with another device.
noun
A greeting by clasping hands.
“A round of handshakings followed the introductions.”
A step in a protocol in which information is exchanged between computing processor devices; often as part of the initiation process for communications.
“I waited for the modems to finish their handshaking so I could start transferring the file.”