Thursday, April 25, 2019

Computer Network and Management Case Study Example | Topics and Well Written Essays - 7000 words

Computer Network and Management - Case Study ExampleWhen web stash receives the request, it first examines the caches inventory of stored aims to verify the existence of the call for web content. If the desired object is found, web cache determines the freshness of the stored object by examining the objects creation date, storage date, goal date, and client and server preferences. If the stored object is found to be valid and up-to-date (fresh), then it is retrieved from the caches object store and sent as an HTTP response to the client, hence, saving time and bandwidth (Hofmann & Beaumont 2005).In case if the requested web object is not found, then the web cache transforms and forward the client request to the fund server, receives the response from the origin server, and forwards the response to the client. After sending the response to the client, web cache molds whether or not to store a copy of the object into its object store. This decision is based on (i) electric switc h rules, and (ii) dynamic object rules (Hofmann & Beaumont 2005).Web cache has finite capacity and therefore, once the cache is full, it is important to decide whether or not to store the current web object after removing and replacing some some other stored object. There are several ways to select the object to be removed and replaced some fashionable strategies listed by Hofmann & Beaumont (2005) areWeb cache uses dynamic object rules to find the approximate future rank of the object through examining its characteristics in order to determine whether or not the object is valuable large to be stored in the object store. Dynamic web content, such as stock quotes, news headlines, and run reports changes very(prenominal) frequently and therefore, their value is dropped very rapidly. Personal information, such as family pictures, journals, and travel plans has a very low future value as it attracts only a few numbers of clients. Likewise, private

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