Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN: 9780133594140
Author: James Kurose, Keith Ross
Publisher: PEARSON
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Textbook Question
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Chapter 1, Problem P6P
This elementary problem begins to explore propagation delay and transmission delay, two central concepts in data networking. Consider two hosts, A and B, connected by a single link of rate R bps. Suppose that the two hosts are separated by m meters, and suppose the propagation speed along the link is s meters/sec. Host A is to send a packet of size L bits to Host B.
- a. Express the propagation delay, dprop, in terms of m and s.
- b. Determine the transmission time of the packet, dtrans, in terms of L and R.
- c. Ignoring processing and queuing delays, obtain an expression for the end-to-end delay.
- d. Suppose Host A begins to transmit the packet at time t = 0. At time t = dtrans, where is the last bit of the packet?
- e. Suppose dprop is greater than dtrans. At time t = dtrans, where is the first bit of the packet?
- f. Suppose dprop is less than dtrans. At time t = dtrans, where is the first bit of the packet?
- g. Suppose s = 2.5 · 108, L = 120 bits, and R = 56 kbps. Find the distance m so that dprop equals dtrans.
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Chapter 1 Solutions
Computer Networking: A Top-Down Approach (7th Edition)
Ch. 1 - What is the difference between a host and an end...Ch. 1 - The word protocol is often used to describe...Ch. 1 - Why are standards important for protocols?Ch. 1 - Prob. R4RQCh. 1 - Prob. R5RQCh. 1 - Prob. R6RQCh. 1 - Prob. R7RQCh. 1 - Prob. R8RQCh. 1 - Prob. R9RQCh. 1 - Prob. R10RQ
Ch. 1 - Prob. R11RQCh. 1 - What advantage does a circuit-switched network...Ch. 1 - Prob. R13RQCh. 1 - Prob. R14RQCh. 1 - Prob. R15RQCh. 1 - Prob. R16RQCh. 1 - Prob. R17RQCh. 1 - Prob. R18RQCh. 1 - Suppose Host A wants to send a large file to Host...Ch. 1 - Prob. R20RQCh. 1 - Prob. R21RQCh. 1 - Prob. R22RQCh. 1 - What are the five layers in the Internet protocol...Ch. 1 - Prob. R24RQCh. 1 - Prob. R25RQCh. 1 - Prob. R26RQCh. 1 - Prob. R27RQCh. 1 - Prob. R28RQCh. 1 - Equation 1.1 gives a formula for the end-to-end...Ch. 1 - Prob. P3PCh. 1 - Prob. P4PCh. 1 - Prob. P5PCh. 1 - This elementary problem begins to explore...Ch. 1 - Prob. P7PCh. 1 - Suppose users share a 3 Mbps link. Also suppose...Ch. 1 - Prob. P9PCh. 1 - Prob. P10PCh. 1 - In the above problem, suppose R1 = R2 = R3 = R and...Ch. 1 - Prob. P13PCh. 1 - Consider the queuing delay in a router buffer. Let...Ch. 1 - Prob. P15PCh. 1 - Prob. P16PCh. 1 - Prob. P17PCh. 1 - Prob. P20PCh. 1 - Prob. P21PCh. 1 - Prob. P22PCh. 1 - Prob. P23PCh. 1 - Prob. P24PCh. 1 - Prob. P25PCh. 1 - Prob. P26PCh. 1 - Prob. P27PCh. 1 - Prob. P28PCh. 1 - Prob. P29PCh. 1 - Prob. P30PCh. 1 - Prob. P31PCh. 1 - Prob. P32PCh. 1 - Prob. P33PCh. 1 - Prob. P34P
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