Homework_2_Solution

C again we assume only one active client but in this

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Unformatted text preview: 2 Server 100 Mbps 50 ms 25 Mbps 200 ms 1 Gbps 0 ms Client Cache Figure 1 Client Cache a. What is the end- to- end delay from when a packet is transmitted by the server to when it is received by the client? In this case, we assume there are no caches, there’s no queuing delay at the routers, and the packet processing delays at routers and nodes are all 0. b. Here we assume that client hosts send requests for files directly to the server (caches are not used or off in this case). What is the maximum rate at which the server can deliver data to a single client if we assume no other clients are making requests? c. Again we assume only one active client but in this case the caches are on and behave like HTTP caches. A client’s HTTP GET is always first directed to its local cache. 60% of the requests can be satisfied by the local cache. What is the average rate at which the client can receive data in this case? Solution: a...
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This homework help was uploaded on 03/06/2014 for the course ECE 374 taught by Professor Ganz during the Spring '08 term at UMass (Amherst).

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