2011_Midterm_1_sol

D persistent http e suppose you can access the caches

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Web page associated with the link contains exactly one object, consisting of a small amount of HTML text. Let RTT0 denote the RTT between the local host and the server containing the object. a. Assuming zero transmission time of the object, how much time elapses from when the client clicks on the link until the client receives the object? Now suppose the HTML file references eight very small objects on the same server. Neglecting transmission times, how much time elapses with b. Non ­persistent HTTP with no parallel TCP connections? c. Non ­persistent HTTP with browser configured for 5 parallel connections? d. Persistent HTTP? e. Suppose you can access the caches in the local DNS servers of your department. Can you propose a way to roughly determine the Web servers (outside your department) that are most popular among the users in the department? Explain. Solution: a. The total amount of t...
View Full Document

Ask a homework question - tutors are online