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In a sliding window protocol with RWS=SWS=5, a very large set of possible sequence numbers (assume...

In a sliding window protocol with RWS=SWS=5, a very large set of possible sequence numbers (assume no wrapping), and in-order packet arrivals, why can the receiver be assured -3- that it will never again receive the frame with sequence number 10 if it is currently expecting frame 17?

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In sliding window protocol with RWS=SWS=5 it is possibility of data redundancy or duplicate frame is come because of ack is lost but it is removed or discard by receiver by the help of sender.

when a data frame is send,sender add  one more extra sequence number in which it carry information about the data of that frame that helps receiver to easily identify the duplicate frame.

According to question if the frame with sequence no 10 is received by the receiver.A extra 1 bit information is also received by the receiver and it is saved with the information of that data frame so that if it will come again it will easily discarded by receiver.

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