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In data networking, telecommunications, and computer buses, an acknowledgement (ACK) is a signal that is passed between communicating processes, computers, or devices to signify acknowledgment, or receipt of message, as part of a communications protocol.
For example, original versions of the BSD license controversially required credit to be provided in the advertisement for software that used licensed code, but only if features or use of the licensed software was mentioned in the advertisement. Software documentation is sometimes licensed under similar terms.
Acknowledgment (creative arts and sciences), a statement of gratitude for assistance in producing a work Acknowledgment index, a method for indexing and analyzing acknowledgments in the scientific literature "Acknowledgement" (song), a 1965 song from John Coltrane's album A Love Supreme
An acknowledgment index (British acknowledgement index) [1] is a scientometric index which analyzes acknowledgments in scientific literature and attempts to quantify their impact. Typically, a scholarly article has a section in which the authors acknowledge entities such as funding, technical staff, colleagues, etc. that have contributed ...
The track of scientific research around employee recognition and motivation was constructed on the foundation of early theories of behavioral science and psychology. [3] The earliest scientific papers on employee recognition have tended to draw upon a combination of needs-based motivation (for example, Hertzberg 1966; Maslow 1943) theories and reinforcement theory (Mainly Pavlov 1902; B.F ...
Relying purely on the cumulative acknowledgment scheme employed by the original TCP can lead to inefficiencies when packets are lost. For example, suppose bytes with sequence number 1,000 to 10,999 are sent in 10 different TCP segments of equal size, and the second segment (sequence numbers 2,000 to 2,999) is lost during transmission.
Block acknowledgement consist of a setup and tear-down of the session phases. In the setup phase, capability information such as buffer size and BA policy are negotiated with the receiver. Once the setup phase completed, the transmitter can send frames without waiting for ACK frame. Finally the BA session is torn down with a so-called DELBA ...
It may be used as a protocol for the delivery and acknowledgement of message units, or it may be used as a protocol for the delivery of subdivided message sub-units. When used as the protocol for the delivery of messages, the sending process continues to send a number of frames specified by a window size even after a frame loss.