Question: Q3. Assume a cache (web proxy) is deployed in company A LAN. Assume the following about user's requests and network links: avg requested object size:

Q3. Assume a cache (web proxy) is deployed in company A

Q3. Assume a cache (web proxy) is deployed in company A LAN. Assume the following about user's requests and network links: avg requested object size: 150k bits avg request rate from users to origin servers: 20/sec LAN rate is 1 Gbps RTT from the company router to origin server: 1 sec The company access link rate: 3 Mbps Cache hit rate 50% Delay if requests satisfied from the cache 12 msec a) What is the company LAN utilization? b) What is the access link utilization? c) What is the total delay? Q3. Assume a cache (web proxy) is deployed in company A LAN. Assume the following about user's requests and network links: avg requested object size: 150k bits avg request rate from users to origin servers: 20/sec LAN rate is 1 Gbps RTT from the company router to origin server: 1 sec The company access link rate: 3 Mbps Cache hit rate 50% Delay if requests satisfied from the cache 12 msec a) What is the company LAN utilization? b) What is the access link utilization? c) What is the total delay

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