Consider a path from host A to host B consisting of two switches X and Y...
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Consider a path from host A to host B consisting of two switches X and Y as follows: A-X-Y-B Each transmission link has capacity 2 Mbps. A file of size 1 Mbyte is to be transmitted from A to B using packet switching. Assume that the propagation, queueing, and processing delays are all negligible. (a) Suppose the file is transmitted as a single very large packet (ignore the header size). What is the total time to transfer the file from A to B? (b) Now suppose the file is segmented into 800 packets, where each packet is 10 kbits long (again, ignore headers). In this case, what is the total time to transfer the file from A to B? (c) Compare your answers in parts (a) and (b) and provide an intuitive explanation for the discrepancy. Consider a path from host A to host B consisting of two switches X and Y as follows: A-X-Y-B Each transmission link has capacity 2 Mbps. A file of size 1 Mbyte is to be transmitted from A to B using packet switching. Assume that the propagation, queueing, and processing delays are all negligible. (a) Suppose the file is transmitted as a single very large packet (ignore the header size). What is the total time to transfer the file from A to B? (b) Now suppose the file is segmented into 800 packets, where each packet is 10 kbits long (again, ignore headers). In this case, what is the total time to transfer the file from A to B? (c) Compare your answers in parts (a) and (b) and provide an intuitive explanation for the discrepancy.
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