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22-09-2016
Computers and Technology

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why is the negative acknowledgement process preferred over positive acknowledgement when a lot of data has to be sent over the transmission medium, provided that there is a reliable connection available?

Respuesta :

24-09-2016

assuming a fairly reliable connection, if you have to send an ACK for each packet you get, for N packets you'll send N responses (ACK) back.
However, if you only send a response for missing/broken packets (NACK), if 1 of N packets arrived broken you'll only send 1 NACK.

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