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QUESTION

Consider the following method for congestion control in a error-free virtual circuit subnet.

Consider the following method for congestion control in aerror-free virtual circuit subnet. A router can only send ACK for a received packet if itknows the packet transmission along the virtual circuit through subsequent routers issuccessful. Suppose that each router uses stop-and-wait ARQ and provides one buffer(large enough for one packet) for each VC in each direction of traffic. If each routertakes T sec to transmit packet (data or ACK) to the next router and there are N routerson the VC, at what rate data packets are delivered to destination host?

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