In the university library there are 120 hosts that perform Internet access for v
ID: 653759 • Letter: I
Question
In the university library there are 120 hosts that perform Internet access for various application outside of the library network. Users in each host perform 2 requests per second for these applications. Each request trigger 24 Kilobits message transfer to the hosts. a) What would be the speed of the access link, which connects library to outside network, to keep the access delay less than 1 second? b) If you would like to reduce the access delay to 10 milliseconds, what would be the new link speed to meet this requirement? c) If you install a cache server in the library for frequently accessed content, and after installing this server, it is observed that the 60 % requests are supplied by the server, what would be the new requirement for the link speed to have less than 10 milliseconds access delay.Explanation / Answer
a.512 kbps
b.20 ms
c.100 ms