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5. Suppose that a user seeks to download 10 images on a web page. Each image is 1,000 bytes and is treated as a separate object. Suppose that the user is directly connected to the web-server by via a bottleneck link with capacity of 10Mbps link (full duplex) and that the overall propagation delay is 100µsec (roughly a distance of 30km). Ignore any other sources of delay. a. Estimate how long it would take to download these images using HTTP with non-persistent connections (and no pipelining). b. Estimate how long it would take to download these images using persistent connections and pipelining (i.e., the user can send all 10 requests one after the other, without waiting for any responses; assume that after getting a request, the server sends it back as soon as it is done sending the previous request.)

5. Suppose that a user seeks to download 10 images on a web page. Each image is 1,000 bytes and is treated as a separate object. Suppose that the user is directly connected to the web-server by via a bottleneck link with capacity of 10Mbps link (full duplex) and that the overall propagation delay is 100µsec (roughly a distance of 30km). Ignore any other sources of delay. a. Estimate how long it would take to download these images using HTTP with non-persistent connections (and no pipelining). b. Estimate how long it would take to download these images using persistent connections and pipelining (i.e., the user can send all 10 requests one after the other, without waiting for any responses; assume that after getting a request, the server sends it back as soon as it is done sending the previous request.)

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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5. Suppose that a user seeks to download 10 images on a web page. Each image is 1,000 bytes and is treated as a separate object. Suppose that the user is directly connected to the web-server by via a bottleneck link with capacity of 10Mbps link (full duplex) and that the overall propagation delay is 100usec (roughly a distance of 30km). Ignore any other sources of delay. a. Estimate how long it would take to download these images using HTTP with non-persistent connections (and no pipelining). b. Estimate how long it would take to download these images using persistent connections and pipelining (i.e., the user can send all 10 requests one after the other, without waiting for any responses; assume that after getting a request, the server sends it back as soon as it is done sending the previous request.)
Transcribed Image Text:5. Suppose that a user seeks to download 10 images on a web page. Each image is 1,000 bytes and is treated as a separate object. Suppose that the user is directly connected to the web-server by via a bottleneck link with capacity of 10Mbps link (full duplex) and that the overall propagation delay is 100usec (roughly a distance of 30km). Ignore any other sources of delay. a. Estimate how long it would take to download these images using HTTP with non-persistent connections (and no pipelining). b. Estimate how long it would take to download these images using persistent connections and pipelining (i.e., the user can send all 10 requests one after the other, without waiting for any responses; assume that after getting a request, the server sends it back as soon as it is done sending the previous request.)
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