Overview #

Acknowledgement (ACK) is in Communication Networks part of the Protocol as Control character that the message (or data) was received.

Acknowledgement and NACK inform the sender of the receiver's state so the nodes can adjust their state appropriately.

More Information#

There might be more information for this subject on one of the following:

• ACK
• ASCII Table
• Change Cache
• Control character
• OSI-Model
• Round-Trip Time
• TIME-WAIT
• Temp
• Transmission Control Protocol
• Z-Wave