Acknowledgment of Received Data

Acknowledgment is the procedure which confirms the correct delivery of a piece of information (PDU) to the intended recipient. Acknowledgment procedures may be implemented at any protocol layer. They are important in a protocol layer that provides reliability, such as hop-by-hop acknowledgment in a reliable link protocol or end-to-end acknowledgment in an Internet transport protocol (e.g. TCP) or by an application such as the trvial file transfer protocol, TFTP.

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Gorry Fairhurst - Date: 01/16/2023