Negative Acknowledgment

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Negative Acknowledgment

Also called NAK. In telecommunications, acknowledgement of the receipt of a file, with a note that the information is incomplete or corrupted.
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Regarding losses, response y10 measured the retransmission rate on all data packets, which would be caused by losses of data, acknowledgments and negative acknowledgments, and so would be approximately twice the loss rate (y5) on data packets.
Similarly, receipt of a negative acknowledgment, indicating a specific packet loss, will also stimulate retransmission by a source.
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