EBK COMPUTER NETWORKING
7th Edition
ISBN: 8220102955479
Author: Ross
Publisher: PEARSON
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Expert Solution & Answer
Chapter 1, Problem R17RQ
Explanation of Solution
- The comparison of Transmission and Propagation delays results in two different combinations as follows,
- The combination in which the sender completes the data transmission before sending the data packet to ...
- The combination in which the sender completes the data transmission before sending the data packet to ...
Expert Solution & Answer
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Students have asked these similar questions
Let a denote the rate of packets arriving at a link in packets/sec, and let μ denote the link’s transmission rate in packets/sec. Based on the formula for the total delay (i.e., the queuing delay plus the transmission delay) derived in the previous problem, derive a formula for the total delay in terms of a and μ.
How long does it take a packet of length 1,000 bytes to propagate over a link of distance 2,500 km, propagation speed 25.125 m/s, and transmission rate 2 Mbps? More generally, how long does it take a packet of length L to propagate over a link of distance d, propagation speed s, and transmission rate R bps? Does this delay depend on packet length? Does this delay depend on transmission rate?
Two hosts are connected by a single direct link.
Link transfer the data at a rate of 107
bits/seconds. The distance between the two
host is 5000 km and the propagation speed
along the link is 2 x 105 kilometer per second.
One host is sending a data of 10,000 bytes in a
single packet to another host. Let T₁ be the
transmission delay and Tp be the propagation
delay. The difference between the propagation
delay and the transmission delay in millisecond
is
Chapter 1 Solutions
EBK COMPUTER NETWORKING
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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- What are the propagation time and the transmission time for a 5-MB (megabyte) message (an image) if the bandwidth of the network is 1 Mbps? Assume that the distance between the sender and the receiver is 12,000 km and each word requires 8-bit with light travels at 2.4 * 108 m/sarrow_forwardTopic: Network Delay Assume two hosts, A and B, that are linked by a single link with a rate of R bps and are spaced m meters away from one another. A packet of size L bits is being sent from Host A to Host B. Suppose that the propagation through the connection is occurring at s meters/second. (Answer the following question while showing work) 1) When d-prop is bigger than d-trans, where is the packet's first bit at time t = d-trans? 2) At time t = d-trans, where d-prop is less than d-trans, where is the packet's first bit?arrow_forwardConsider a client and a server connected through one router. Assume the router can start transmitting an incoming packet after receiving its first 0.6 Mbits instead of the whole packet. Suppose that the transmission rate of each link is 6 Mb/s and that the client transmits one packet with a size of 2 Mbits to the server. Assume the propagation, processing, and queuing delays are negligible. Answer the following questions (use up to 4 significant digits if needed; e.g., yy.xxxx): What is the end-to-end delay?3D seconds What is the end-to-end delay if there are 2 routers between the client and the server?= secondsarrow_forward
- COMPUTING THE ONE-HOP TRANSMISSION DELAY Consider the figure below, in which a single router is transmitting packets, each of length L bits, over a single link with transmission rate R Mbps to another router at the other end of the link. L: packet length (in bits) R: link transmission rates (Mbps) Queue of packets waiting for output link Suppose that the packet length is L= 16000 bits, and that the link transmission rate along the link to router on the right is R = 1000 Mbps. Round your answer to two decimals after leading zeros QUESTION 2 OF 2 Answer What is the maximum number of packets per second that can be transmitted by this link?arrow_forwardDirect Sequence Spread Spectrum (DS-SS) is widely used secure wireless communications. Assume you have a DS-SS transmitter which uses 1011001100110110 as the pseudorandom bit stream, and the frequency of the pseudorandom bit stream is 4 times of the frequency of the original bit stream. If the original bit stream you want to transmit is 0110. What is the transmitted bit stream? Show your calculation.arrow_forwardWhat is the delay of sending a data file from a source station to a destination station? Suppose that the length of the data file is 2 Mbytes and the bandwidth of the channel is 1600 bps, and the network link between the sender and receiver is 20000 Km and the speed of the light inside the link is 2x108 meters/second? Assume that the delay is composed of only transmission time and propagation time.arrow_forward
- Consider two hosts S and R connected directly by a link. A link has a transmission speed of 107 bits/sec. It uses data packets of size 400 bytes. Data needed to transmitted is 400 bytes. Length of the link is 600 km and the propagation speed are 3 × 108 meter per second. T is the transmission delay and P is the propagation delay. The propagation delay in millisecond and transmission delay in microsecond respectively arearrow_forwardIn this example, assume that the fixed path is used to transport a packet from a source to an address at the other end of the network. List the many components of delay as well: Approximately how many delays are continuous for how long, and approximately how many are timedependent?arrow_forwardIn selective repeat ARQ, packet size is 2000 bytes transmission time for one packet is 1ms. If distance between hosts is 10km and signal speed is 4ms per km (4ms/km) and frame sequence number are 6 bit long in frame format then the throughput (in Mbps) isarrow_forward
- Consider a sender having an infinite number of frames to send, which we index as 0, 1, 2, .... Assume the transmission delay of each frame is 2t, the ACK transmission time is t, the propagation delay is 3t and symmetric on both directions, and the timeout value is T = 8 starting from the end of frame transmission onto the link. The first frame is sent out at time 0. Show Transcribed Text 3 Ĉ E. Explain what will happen if the sequence number space has exactly the same number of sequence numbers as the number of allowed maximum number of outstanding frames, e.g., when N = W = 10, and the sequence numbers available are only 0-9.arrow_forwardA packet switch receives a packet and determines the outbound link to which the packet should be forwarded. When the packet arrives, one other packet is halfway done being transmitted on this outbound link and four other packets are waiting to be transmitted. Packets are transmitted in order of arrival. Suppose all packets are 1,200 bytes and the link rate is 2 Mbps. What is the queuing delay for the packet? More generally, what is the queuing delay when all packets have length L, the transmission rate is R, x bits of the currently-being-transmitted packet have been transmitted, and n packets are already in the queue?arrow_forwardIt is feasible to transmit a sequence of packets from one host to another using the same path between the two hosts. Please enumerate the various components of the end-to-end delay for a single packet. Is one of the delays going to be a set amount of time, while the other one has a more fluid duration?arrow_forward
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