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1. Assuming zero transmission time for the HTML object, how much time elapses from when the client clicks on the link unl N 2. Suppose the HTML object references 4 very small objects on the same web server Neglecting transmission times, how much time elapses from when the client clicks on the link until the base object and all 4 additional objects are received from web server at the client, assuming non-persistent HTTP and no parallel TCP connections? 3. Suppose the HTML object references 4 very small objects on the same web server Neglecting transmission times, how much time elapses from when the client clicks on the link until the base object and all 4 additional objects are recelved from web server at the client, assume that the client is configured to support a maximum of 5 parallel TCP connections, with non-persistent HTTR 4. Suppose the HTML object reforences 4 very small objects on the same web server Neglecting transmission times, how much time elapses from when the client clicks on the link until the base object and all 4 additional objects are received from web server at the client, assume that the client is configured to support a maximum of 5 parallel TCP connections, with persistent HTTP

1. Assuming zero transmission time for the HTML object, how much time elapses from when the client clicks on the link unl N 2. Suppose the HTML object references 4 very small objects on the same web server Neglecting transmission times, how much time elapses from when the client clicks on the link until the base object and all 4 additional objects are received from web server at the client, assuming non-persistent HTTP and no parallel TCP connections? 3. Suppose the HTML object references 4 very small objects on the same web server Neglecting transmission times, how much time elapses from when the client clicks on the link until the base object and all 4 additional objects are recelved from web server at the client, assume that the client is configured to support a maximum of 5 parallel TCP connections, with non-persistent HTTR 4. Suppose the HTML object reforences 4 very small objects on the same web server Neglecting transmission times, how much time elapses from when the client clicks on the link until the base object and all 4 additional objects are received from web server at the client, assume that the client is configured to support a maximum of 5 parallel TCP connections, with persistent HTTP

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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B. Suppose within your Web browser you click on a link to obtain a Web page. The IP address for the associated URL is not cached in your local host, so a DNS lookup is necessary to obtain the IP address. Suppose that two DNS servers are visited before your host receives the IP address from DNS. The first DNS server visited is the local DNS cache, with an RTT delay of RTTO = 5 msecs. The second DNS server contacted has an RTT of 8 msecs. Initially, let's suppose that the Web page associated with the link contains exactly one object, consisting of a small amount of HTML text. Suppose the RTT between the local host and the Web server containing the object is RTTHTTP=63 msecs. 1. Assuming zero transmission time for the HTML object, how much time elapses from when the client clicks on the link until the client receives the object? 2. Suppose the HTML object references 4 very small objects on the same web server. Neglecting transmission times, how much time elapses from when the client clicks on the link until the base object and all 4 additional objects are received from web server at the client, assuming non-persistent HTTP and no parallel TCP connections? 3. Suppose the HTML object references 4 very small objects on the same web server. Neglecting transmission times, how much time elapses from when the client clicks on the link until the base object and all 4 additional objects are received from web server at the client, assume that the client is configured to support a maximum of 5 parallel TCP connections, with non-persistent HTTR 4. Suppose the HTML object references 4 very small objects on the same web server. Neglecting transmission times, how much time elapses from when the client clicks on the link until the base object and all 4 additional objects are received from web server at the client, assume that the client is configured to support a maximum of 5 parallel TCP connections, with persistent HTTP.
Transcribed Image Text:B. Suppose within your Web browser you click on a link to obtain a Web page. The IP address for the associated URL is not cached in your local host, so a DNS lookup is necessary to obtain the IP address. Suppose that two DNS servers are visited before your host receives the IP address from DNS. The first DNS server visited is the local DNS cache, with an RTT delay of RTTO = 5 msecs. The second DNS server contacted has an RTT of 8 msecs. Initially, let's suppose that the Web page associated with the link contains exactly one object, consisting of a small amount of HTML text. Suppose the RTT between the local host and the Web server containing the object is RTTHTTP=63 msecs. 1. Assuming zero transmission time for the HTML object, how much time elapses from when the client clicks on the link until the client receives the object? 2. Suppose the HTML object references 4 very small objects on the same web server. Neglecting transmission times, how much time elapses from when the client clicks on the link until the base object and all 4 additional objects are received from web server at the client, assuming non-persistent HTTP and no parallel TCP connections? 3. Suppose the HTML object references 4 very small objects on the same web server. Neglecting transmission times, how much time elapses from when the client clicks on the link until the base object and all 4 additional objects are received from web server at the client, assume that the client is configured to support a maximum of 5 parallel TCP connections, with non-persistent HTTR 4. Suppose the HTML object references 4 very small objects on the same web server. Neglecting transmission times, how much time elapses from when the client clicks on the link until the base object and all 4 additional objects are received from web server at the client, assume that the client is configured to support a maximum of 5 parallel TCP connections, with persistent HTTP.
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