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Draw diagrams to show the interactions

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Reference no: EM132142151

Suppose that we need to send four packets (A, B, C, D) from a sender to a receiver. Consider
two cases.

1) packet B is lost.

2) acknowledgement for packet B is lost. When there is a packet loss, always assume that only the ?rst transmission is lost, but retransmissions are successful. We do not retransmit a lost acknowledgement.

We do not have limit on the range of sequence numbers, but the window size in go-back-N and selective repeat should be set to 3.

Draw diagrams to show the interactions between the sender and the receiver for each case by using the three reliable data transfer protocols (i.e., stop-and-wait, go-back-N, and selective repeat).

Write down whatever assumptions you have made.

Also give the sequence number and acknowledgement number in the packets, and the values of local variables (for example, seqno, ackno, base, rcvbase, nextseq) at the sender and the receiver.

Reference no: EM132142151

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