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2011_Midterm_1_sol

# D discuss the drawbacks of message segmentation figure

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Unformatted text preview: nd switch, the second packet is being sent from the source to the first switch. At what time will the second packet be fully received at the first switch? c. How long does it take to move the file from source host to destination host when message segmentation is used? Compare this result with your answer in part (a) and comment. d. Discuss the drawbacks of message segmentation. Figure 1 Network for problem 1 Solution: a) Time to send message from source host to first packet switch = . With store ­and ­forward switching, the total time to move message from source host to destination host = b) Time to send 1st packet from source host to first packet switch = . . Time at which 2nd packet is received at the first switch = time at which 1st packet is received at the second switch = c) Time at which 1st packet is received at the destination host = . . After th...
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