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Suppose the bandwidth on a point-to-point link is 1 Mbps and the round-trip delay is 9 milliseconds. Assume that the size of each packet is

Suppose the bandwidth on a point-to-point link is 1 Mbps and the round-trip delay is 9 milliseconds. Assume that the size of each packet is 1000 bits. Also, assume that the size of ACK packet is negligible.

Answer the following.

(a) What would be utilization with stop-and-wait?

(b) Assuming that the link is error-free, what should be the minimum window size to achieve at least 50% utilization.

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