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Recent questions tagged packet-switching

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Suppose end system A wants to send a large file to end system B. At a very high level, describe how end system A creates packets from the file. When one of these packets arrives at a packet switch, what information in the packet does the switch use to ... packet is forwarded? Why is packet switching on the Internet analogous to driving from one city to another and asking directions along the way?
asked Apr 9, 2019 in Computer Networks ajaysoni1924 27 views
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Suppose there is exactly one packet switch between a sending host and a receiving host. The transmission rates between the sending host and the switch and between the switch and the receiving host are R1 and R2, respectively. Assuming that the switch uses store-and-forward ... is the total end-to-end delay to send a packet of length L? (Ignore queuing, propagation delay, and processing delay.)
asked Apr 9, 2019 in Computer Networks ajaysoni1924 56 views
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Suppose that $x$ bits of user data are to be transmitted over $k-$hop path in a packet-switched network as a series of packets each containing $p$ data bits and $h$ header bits with $x>>(p+h)$. The bit rate of lines is $b$ bps and propagation delay is negligible.What is the time taken ... $(p+h)x/pb \hspace{0.1cm} bits$ $px/b \hspace{0.1cm} bits$ $hx/pb \hspace{0.1cm} bits$
asked May 24, 2018 in Computer Networks Anil Ji 762 views
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