In positive acknowledgement, what does the sender do?

In positive acknowledgement, the sender keeps a record of each data packet sent and expects an acknowledgment for these packets. This process is crucial for ensuring that the data has been successfully received by the recipient. It allows the sender to confirm the integrity of data transmission, as the sender will only consider the communication complete when it receives confirmation that each packet was successfully received.

Tracking which packets have been sent and awaiting their acknowledgments enables the sender to identify any lost packets that may need to be resent. This mechanism helps maintain a reliable communication channel, especially in scenarios where data integrity and transmission success are paramount, such as in network communications or data transfer protocols. By expecting an acknowledgment, the sender is engaging in a process that reinforces accountability in data transmission.