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What is the advantage of sliding window protocol over stop and wait protocol?
Wiki User
∙ 6y ago
On data links with long transmission delays (e.g. communication satellites) sliding windows protocol allows multiple packets to be in transit pending ACK packets back from the receiver (up to the limit of the window size), which allows for nearly continuous transmission of packets through the data link.
On data links with long transmission delays (e.g. communication satellites) stop and wait protocol forces the transmitter to wait until it receives an ACK packet on every packet sent. If the transmission delays are long enough, the data link may be quiet and completely idle for the great majority of the time which is a serious waste of the resource.
Wiki User
∙ 6y ago
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What is the advantage of sliding window flow control over stop wait flow control?
As compared to stop-and-wait flow control the sliding window flow control has a far better performance. This is because in a wireless environment data rates are very low and noise level is very high, so waiting for an acknowledge for every packet that is transfered does not seem feasible. Thus,Transferring data as a bulk ( Once the medium is allocated ) would yield a better performance in terms of higher throughput. So the choice is sliding window flow control. Sliding window flow control is a point to point protocol assuming that no other entity tries to communicate until the current data transfer is complete by truqchalar
What is the advantage of sliding window flow control over stop-wait flow control?
As compared to stop-and-wait flow control the sliding window flow control has a far better performance. This is because in a wireless environment data rates are very low and noise level is very high, so waiting for an acknowledge for every packet that is transfered does not seem feasible. Thus,Transferring data as a bulk ( Once the medium is allocated ) would yield a better performance in terms of higher throughput. So the choice is sliding window flow control. Sliding window flow control is a point to point protocol assuming that no other entity tries to communicate until the current data transfer is complete by truqchalar
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