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What are the advantages and disadvantages of the Selective Repeat protocol in comparison with Go-Back-N?
Wiki User
∙ 9y ago
Using the Go Back N protocol for error control means that if a timeout occurs, then all unacknowledged packets are resent, where with selective repeat, only those packets that were unacknowledged. This allows the Go Back N to use cumulative acknowledgements, creating a faster data flow, but this also means that in the case of an interruption, the system is slower to recognize this and then time is lost for the retransmission since the last cumulative ack.
Wiki User
∙ 9y ago
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