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a) Determine the value of the traffic intensity on the access link: One possible correct answer is: 0.0576 -) Determine the average response time per object: seconds

a) Determine the value of the traffic intensity on the access link: One possible correct answer is: 0.0576 -) Determine the average response time per object: seconds

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Consider that an institutional network is connected to the Internet via a web cache with a hit ratio of 0.6; as shown in the figure below. Suppose that the average object size is 15 KByte and that the average request rate from the institution's browsers to the origin servers is 24 objects per second, the transmission rate of the access link is Ra=20 Mbps and the transmission link of the institutional LAN RL=100 Mbps. Also, suppose that the amount of time it takes from when the router on the Internet side of the access link forwards an HTTP request until it receives the response is 2 seconds on average. You may ignore the queuing delay of the access link if the traffic intensity (or link utilization) of the access link in below 0.8. Use up to three significant digits in your answers. Your answer should be within 0.05 of the correct answer. origin public Internet servers RA institutional network RL web cache a) Determine the value of the traffic intensity on the access link: One possible correct answer is: 0.0576 b) Determine the average response time per object: seconds One possible correct answer is: 0.80072
Transcribed Image Text:Consider that an institutional network is connected to the Internet via a web cache with a hit ratio of 0.6; as shown in the figure below. Suppose that the average object size is 15 KByte and that the average request rate from the institution's browsers to the origin servers is 24 objects per second, the transmission rate of the access link is Ra=20 Mbps and the transmission link of the institutional LAN RL=100 Mbps. Also, suppose that the amount of time it takes from when the router on the Internet side of the access link forwards an HTTP request until it receives the response is 2 seconds on average. You may ignore the queuing delay of the access link if the traffic intensity (or link utilization) of the access link in below 0.8. Use up to three significant digits in your answers. Your answer should be within 0.05 of the correct answer. origin public Internet servers RA institutional network RL web cache a) Determine the value of the traffic intensity on the access link: One possible correct answer is: 0.0576 b) Determine the average response time per object: seconds One possible correct answer is: 0.80072
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