Question

Find a creative example of caching that illustrates the benefits of caching and the types of cache misses.

Answer 1

`Hey,

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1) DNS Cache:

Before any web transfer such as when you visit a website, for an instance http://www.HomeworkLib .com/, our server will perform a DNS query to translate ESDS.co.in to an IP address. This is a behavior that is consistent for each web page and every website. It is therefore logical that a cache is set up at this location. Indeed, it exists on all operating system and also on browsers DNS cache that have the function of cache handler <-> (HomeworkLib.com <-> xx.xx.xx.xxx).

2) Caching proxy servers:

Proxy server, which are intermediaries between clients and servers (either between the local network and the Internet or between two Internet sites) also often make caching to make access to information faster for clients. The advantage is that caching is now centralized in a single point and can then be used by multiple clients performing the same query.

3) Browser cache:

Web browsers, as we have seen in the previous part, often use of catching regarding the JavaScript, CSS files or images to a website. The administrator of a website can also specify parameters for customers showing them how long they can keep a particular type of file caching. This allows for a temporary caching but which provides a performance gain and resource saving for both the client and the server.

4) Dynamic Page Cache:

Web server side, a cache can also be set up to not having to regenerate pages that are normally dynamically generated as is the case with most websites today. Using PHP and similar languages allow modularity of websites, but also generate significant resource consumption, since the pages are generated for each request to be built and sent to the client.

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