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Recent questions tagged computer-networks
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721
Kurose and Ross Edition 6 Exercise 2 Question R3 (Page No 169)
For a communication session between a pair of processes, which process is the client and which is the server?
For a communication session between a pair of processes, which process is the client and which is the server?
ajaysoni1924
424
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ajaysoni1924
asked
Apr 10, 2019
Computer Networks
computer-networks
kurose-and-ross
application-layer
descriptive
+
–
0
votes
0
answers
722
Kurose and Ross Edition 6 Exercise 2 Question R2 (Page No 169)
What is the difference between network architecture and application architecture?
What is the difference between network architecture and application architecture?
ajaysoni1924
198
views
ajaysoni1924
asked
Apr 10, 2019
Computer Networks
computer-networks
kurose-and-ross
application-layer
descriptive
+
–
0
votes
0
answers
723
Kurose and Ross Edition 6 Exercise 2 Question R1 (Page No 169)
List five nonproprietary Internet applications and the application-layer protocols that they use.
List five nonproprietary Internet applications and the application-layer protocols that they use.
ajaysoni1924
382
views
ajaysoni1924
asked
Apr 10, 2019
Computer Networks
computer-networks
kurose-and-ross
application-layer
application-layer-protocols
descriptive
+
–
0
votes
1
answer
724
Kurose and Ross Edition 6 Exercise 1 Question P28 (Page No 76)
Suppose two hosts, A and B, are separated by 20,000 kilometers and are connected by a direct link of R = 2 Mbps. Suppose the propagation speed over the link is $2.5 10^8$meters/sec. How long does it take to send the file ... the preceding one is acknowledged. How long does it take to send the file? Compare the results from (a) and (b).
Suppose two hosts, A and B, are separated by 20,000 kilometers and are connected by a direct link of R = 2 Mbps. Suppose the propagation speed over the link is $2.5×10^8...
ajaysoni1924
782
views
ajaysoni1924
asked
Apr 10, 2019
Computer Networks
computer-networks
kurose-and-ross
network-flow
data-link-layer
+
–
0
votes
1
answer
725
Kurose and Ross Edition 6 Exercise 1 Question P27 (Page No 76)
Suppose two hosts, A and B, are separated by 20,000 kilometers and are connected by a direct link of R = 1Gbps. Suppose the propagation speed over the link is $ 2.5 10^8$ ... bits that will be in the link at any given time? What is the width (in meters) of a bit in the link?
Suppose two hosts, A and B, are separated by 20,000 kilometers and are connected by a direct link of R = 1Gbps. Suppose the propagation speed over the link is $ 2.5×10^8...
ajaysoni1924
3.4k
views
ajaysoni1924
asked
Apr 10, 2019
Computer Networks
computer-networks
kurose-and-ross
network-layer
network-flow
+
–
0
votes
0
answers
726
Kurose and Ross Edition 6 Exercise 1 Question P26 (Page No 76)
Suppose two hosts, A and B, are separated by 20,000 kilometers and are connected by a direct link of R = 2 Mbps. Suppose the propagation speed over the link is 2.5×1082.5×108 meters/sec. suppose we can modify R. For what value of R is the width of a bit as long as the length of the link?
Suppose two hosts, A and B, are separated by 20,000 kilometers and are connected by a direct link of R = 2 Mbps. Suppose the propagation speed over the link is 2.5×1082....
ajaysoni1924
399
views
ajaysoni1924
asked
Apr 10, 2019
Computer Networks
computer-networks
kurose-and-ross
network-layer
network-flow
+
–
0
votes
0
answers
727
Kurose and Ross Edition 6 Exercise 1 Question P29 (Page No 76)
Suppose there is a 10 Mbps microwave link between a geostationary satellite and its base station on Earth. Every minute the satellite takes a digital photo and sends it to the base station. Assume a propagation speed of ... the size of the photo. What is the minimum value of x for the microwave link to be continuously transmitting?
Suppose there is a 10 Mbps microwave link between a geostationary satellite and its base station on Earth. Every minute the satellite takes a digital photo and sends it t...
ajaysoni1924
1.6k
views
ajaysoni1924
asked
Apr 10, 2019
Computer Networks
computer-networks
kurose-and-ross
data-link-layer
network-flow
+
–
0
votes
0
answers
728
Kurose and Ross Edition 6 Exercise 1 Question P25 (Page No 76)
.Suppose two hosts, A and B, are separated by 20,000 kilometers and are connected by a direct link of R = 2 Mbps. Suppose the propagation speed over the link is $2.5 \times 10^8$ meters/sec. Calculate the bandwidth-delay ... width of a bit in terms of the propagation speed s, the transmission rate R, and the length of the link m.
.Suppose two hosts, A and B, are separated by 20,000 kilometers and are connected by a direct link of R = 2 Mbps. Suppose the propagation speed over the link is $2.5 \tim...
ajaysoni1924
662
views
ajaysoni1924
asked
Apr 10, 2019
Computer Networks
computer-networks
kurose-and-ross
network-layer
network-flow
+
–
0
votes
0
answers
729
Kurose and Ross Edition 6 Exercise 1 Question P13 (Page No 73)
Suppose N packets arrive simultaneously to a link at which no packets are currently being transmitted or queued. Each packet is of length L and the link has transmission rate R. What is the average queuing delay for the N packets? ... N such packets arrive to the link every LN/R seconds. What is the average queuing delay of a packet?
Suppose N packets arrive simultaneously to a link at which no packets are currently being transmitted or queued. Each packet is of length L and the link has transmission ...
ajaysoni1924
460
views
ajaysoni1924
asked
Apr 10, 2019
Computer Networks
computer-networks
kurose-and-ross
network-layer
network-flow
+
–
0
votes
1
answer
730
Kurose and Ross Edition 6 Exercise 1 Question P12 (Page No 73)
A 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 ... bits of the currently-being-transmitted packet have been transmitted, and n packets are already in the queue?
A 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 bein...
ajaysoni1924
3.8k
views
ajaysoni1924
asked
Apr 10, 2019
Computer Networks
computer-networks
kurose-and-ross
network-layer
network-flow
network-switching
+
–
0
votes
1
answer
731
Kurose and Ross Edition 6 Exercise 1 Question P10, P11 (Page No 73)
(Common data question P10, P11) P10. Consider a packet of length L which begins at end system A and travels over three links to a destination end system. These three links are connected by two packet switches. Let ... transmits each bit it receives before waiting for the entire packet to arrive. What is the end-to-end delay?
(Common data question P10, P11)P10. Consider a packet of length L which begins at end system A and travels over three links to a destination end system. These three links...
ajaysoni1924
4.7k
views
ajaysoni1924
asked
Apr 10, 2019
Computer Networks
computer-networks
kurose-and-ross
network-layer
network-flow
+
–
0
votes
0
answers
732
Kurose and Ross Edition 6 Exercise 1 Question P9 (Page No 73)
In the discussion of packet switching versus circuit switching with a 1 Mbps link. Users are generating data at a rate of 100 kbps when busy, but are busy generating data only with probability p = 0.1. Suppose that the 1 Mbps link is ... . Give a formula (in terms of p, M, N) for the probability that more than N users are sending data.
In the discussion of packet switching versus circuit switching with a 1 Mbps link. Users are generating data at a rate of 100 kbps when busy, but are busy generating data...
ajaysoni1924
891
views
ajaysoni1924
asked
Apr 10, 2019
Computer Networks
computer-networks
kurose-and-ross
network-switching
+
–
0
votes
2
answers
733
Kurose and Ross Edition 6 Exercise 1 Question P8 (Page No 72)
Suppose users share a 3 Mbps link. Also, suppose each user requires 150 kbps when transmitting, but each user transmits only 10 percent of the time. When circuit switching is used, how many users can be supported? ... (Hint: Use the binomial distribution.) Find the probability that there are 21 or more users transmitting simultaneously.
Suppose users share a 3 Mbps link. Also, suppose each user requires 150 kbps when transmitting, but each user transmits only 10 percent of the time.When circuit switching...
ajaysoni1924
12.7k
views
ajaysoni1924
asked
Apr 10, 2019
Computer Networks
computer-networks
kurose-and-ross
network-flow
network-layer
network-switching
+
–
0
votes
1
answer
734
Kurose and Ross Edition 6 Exercise 1 Question P6 (Page No 72)
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, ... bits, and R = 56 kbps. Find the distance mso that $d _{prop}$ equals $d _{trans}$.
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 s...
ajaysoni1924
5.6k
views
ajaysoni1924
asked
Apr 9, 2019
Computer Networks
computer-networks
kurose-and-ross
data-link-layer
network-flow
+
–
1
votes
2
answers
735
Kurose and Ross Edition 6 Exercise 1 Question P4 (Page No 71)
Consider the circuit-switched network in the Figure below. Recall that there are 4 circuits on each link. Label the four switches A, B, C, and D, going in the clockwise direction. What is the maximum number of ... connections between switches B and D. Can we route these calls through the four links to accommodate all eight connections?
Consider the circuit-switched network in the Figure below. Recall that there are 4 circuits on each link. Label the four switches A, B, C, and D, going in the clockwise d...
ajaysoni1924
3.7k
views
ajaysoni1924
asked
Apr 9, 2019
Computer Networks
computer-networks
kurose-and-ross
network-switching
circuit-switching
+
–
0
votes
1
answer
736
Kurose and Ross Edition 6 Exercise 1 Question P3 (Page No 71)
Consider an application that transmits data at a steady rate (for example, the sender generates an N-bit unit of data every k time units, where k is small and fixed). Also, when such an application starts, it will continue ... data rates is less than the capacities of each and every link. Is some form of congestion control needed? Why?
Consider an application that transmits data at a steady rate (for example, the sender generates an N-bit unit of data every k time units, where k is small and fixed). Als...
ajaysoni1924
2.9k
views
ajaysoni1924
asked
Apr 9, 2019
Computer Networks
computer-networks
kurose-and-ross
network-layer
network-switching
+
–
0
votes
1
answer
737
Kurose and Ross Edition 6 Exercise 1 Question P2 (Page No 71)
Give a formula for the end-to-end delay of sending one packet of length L over N links of transmission rate R. Generalize this formula for sending P such packets back-to-back over the N links.
Give a formula for the end-to-end delay of sending one packet of length L over N links of transmission rate R. Generalize this formula for sending P such packets back-to-...
ajaysoni1924
1.1k
views
ajaysoni1924
asked
Apr 9, 2019
Computer Networks
computer-networks
kurose-and-ross
network-layer
network-flow
+
–
6
votes
4
answers
738
Kurose and Ross Edition 6 Exercise 1 Question R25 (Page No 70)
Which layers in the Internet protocol stack does a router process? Which layers does a link-layer switch process? Which layers do a host process?
Which layers in the Internet protocol stack does a router process? Which layers does a link-layer switch process? Which layers do a host process?
ajaysoni1924
4.5k
views
ajaysoni1924
asked
Apr 9, 2019
Computer Networks
computer-networks
kurose-and-ross
network-layering
descriptive
+
–
1
votes
2
answers
739
Kurose and Ross Edition 6 Exercise 1 Question R24 (Page No 70)
What is an application-layer message? A transport-layer segment? A network-layer datagram? A link-layer frame?
What is an application-layer message? A transport-layer segment? A network-layer datagram? A link-layer frame?
ajaysoni1924
1.8k
views
ajaysoni1924
asked
Apr 9, 2019
Computer Networks
computer-networks
kurose-and-ross
network-layering
descriptive
+
–
1
votes
2
answers
740
Kurose and Ross Edition 6 Exercise 1 Question R23 (Page No 70)
What are the five layers in the Internet protocol stack? What are the principal responsibilities of each of these layers?
What are the five layers in the Internet protocol stack? What are the principal responsibilities of each of these layers?
ajaysoni1924
1.2k
views
ajaysoni1924
asked
Apr 9, 2019
Computer Networks
computer-networks
kurose-and-ross
network-layering
osi-model
descriptive
+
–
0
votes
1
answer
741
Kurose and Ross Edition 6 Exercise 1 Question R22 (Page No 70)
List five tasks that a layer can perform. Is it possible that one (or more) of these tasks could be performed by two (or more) layers?
List five tasks that a layer can perform. Is it possible that one (or more) of these tasks could be performed by two (or more) layers?
ajaysoni1924
1.9k
views
ajaysoni1924
asked
Apr 9, 2019
Computer Networks
computer-networks
kurose-and-ross
network-layering
descriptive
+
–
0
votes
1
answer
742
Kurose and Ross Edition 6 Exercise 1 Question R21 (Page No 70)
Visit the Queuing and Loss applet at the companion Web site. What is the maximum emission rate and the minimum transmission rate? With those rates, what is the traffic intensity? Run the applet with these rates and determine how ... determine again how long it takes for packet loss to occur. Are the values different? Why or why not?
Visit the Queuing and Loss applet at the companion Web site. What is the maximum emission rate and the minimum transmission rate? With those rates, what is the traffic in...
ajaysoni1924
1.2k
views
ajaysoni1924
asked
Apr 9, 2019
Computer Networks
computer-networks
kurose-and-ross
network-layer
network-flow
+
–
0
votes
0
answers
743
Kurose and Ross Edition 6 Exercise 1 Question R20 (Page No 69)
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 ... Why is packet switching on the Internet analogous to driving from one city to another and asking directions along the way?
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 ...
ajaysoni1924
382
views
ajaysoni1924
asked
Apr 9, 2019
Computer Networks
computer-networks
kurose-and-ross
network-layer
descriptive
packet-switching
+
–
0
votes
1
answer
744
Kurose and Ross Edition 6 Exercise 1 Question R19 (Page No 69)
Suppose Host A wants to send a large file to Host B. The path from Host A to Host B has three links, of rates R1 = 500 kbps, R2 = 2 Mbps, and R3 = 1 Mbps. Assuming no other traffic in the network, what is the throughput for ... long will it take to transfer the file to Host B? Repeat (a) and (b), but now with R2 reduced to 100 kbps.
Suppose Host A wants to send a large file to Host B. The path from Host A to Host B has three links, of rates R1 = 500 kbps, R2 = 2 Mbps, and R3 = 1 Mbps.Assuming no othe...
ajaysoni1924
705
views
ajaysoni1924
asked
Apr 9, 2019
Computer Networks
computer-networks
kurose-and-ross
network-layer
network-flow
+
–
0
votes
1
answer
745
Kurose and Ross Edition 6 Exercise 1 Question R18 (Page No 69)
How long does it take a packet of length 1,000 bytes to propagate over a link of distance 2,500 km, propagation speed 2.5 · 108 m/s, and transmission rate 2 Mbps? More generally, how long does it take a packet ... s, and transmission rate R bps? Does this delay depend on packet length? Does this delay depend on the transmission rate?
How long does it take a packet of length 1,000 bytes to propagate over a link of distance 2,500 km, propagation speed 2.5 · 108 m/s, and transmission rate 2 Mbps? More g...
ajaysoni1924
1.4k
views
ajaysoni1924
asked
Apr 9, 2019
Computer Networks
computer-networks
kurose-and-ross
network-layer
network-flow
+
–
0
votes
0
answers
746
Kurose and Ross Edition 6 Exercise 1 Question R17 (Page No 69)
Visit the Transmission Versus Propagation Delay applet at the companion Web site. Among the rates, propagation delay, and packet sizes available find a combination for which the sender finishes transmitting before the ... combination for which the first bit of the packet reaches the receiver before the sender finishes transmitting.
Visit the Transmission Versus Propagation Delay applet at the companion Web site. Among the rates, propagation delay, and packet sizes available find a combination for wh...
ajaysoni1924
427
views
ajaysoni1924
asked
Apr 9, 2019
Computer Networks
computer-networks
kurose-and-ross
network-layer
descriptive
+
–
0
votes
1
answer
747
Kurose and Ross Edition 6 Exercise 1 Question R16 (Page No 69)
Consider sending a packet from a source host to a destination host over a fixed route. List the delay components in the end-to-end delay. Which of these delays are constant and which are variable?
Consider sending a packet from a source host to a destination host over afixed route. List the delay components in the end-to-end delay. Which ofthese delays are constant...
ajaysoni1924
3.5k
views
ajaysoni1924
asked
Apr 9, 2019
Computer Networks
computer-networks
kurose-and-ross
network-layer
packet-switching
descriptive
+
–
0
votes
0
answers
748
Kurose and Ross Edition 6 Exercise 1 Question R15 (Page No 69)
Some content providers have created their own networks. Describe Google’s network. What motivates content providers to create these networks?
Some content providers have created their own networks. Describe Google’snetwork. What motivates content providers to create these networks?
ajaysoni1924
269
views
ajaysoni1924
asked
Apr 9, 2019
Computer Networks
computer-networks
kurose-and-ross
network-layer
descriptive
+
–
0
votes
0
answers
749
Kurose and Ross Edition 6 Exercise 1 Question R14 (Page No 68)
Why will two ISPs at the same level of the hierarchy often peer with each other? How does an IXP earn money?
Why will two ISPs at the same level of the hierarchy often peer with eachother? How does an IXP earn money?
ajaysoni1924
328
views
ajaysoni1924
asked
Apr 9, 2019
Computer Networks
computer-networks
kurose-and-ross
network-layer
network-switching
descriptive
+
–
0
votes
1
answer
750
Kurose and Ross Edition 6 Exercise 1 Question R13 (Page No 68)
Suppose users share a 2 Mbps link. Also, suppose each user transmits continuously at 1 Mbps when transmitting, but each user transmits only 20 percent of the time. When circuit switching is used, how many users can ... given time, all three users are transmitting simultaneously. Find the fraction of time during which the queue grows.
Suppose users share a 2 Mbps link. Also, suppose each user transmits continuously at 1 Mbps when transmitting, but each user transmits only 20 percent of the time.When ci...
ajaysoni1924
4.0k
views
ajaysoni1924
asked
Apr 9, 2019
Computer Networks
computer-networks
kurose-and-ross
network-layer
network-switching
circuit-switching
+
–
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