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How can Web caching reduce delay in receiving a requested object?
Wiki User
∙ 15y ago
With broadband there is less need for web caching. Its definitely less heard off anyway. But pretty much, if you frequent a site on a server that is perhaps 18 hops away. It will take awhile for the page to get to you, so what happens is when you go onto a website a copy of the page is stored locally. Next time you request it, you are shown the copy on your computer. It's much faster to show you a page on your own computer then it is to get a page the other side of the network/internet. ISP's also cache popular pages too. So when one of their customers requests it, they have it pretty much ready to go.
Wiki User
∙ 15y ago
Wiki User
∙ 13y agoWith broadband there is less need for web caching. Its definitely less heard off anyway. But pretty much, if you frequent a site on a server that is perhaps 18 hops away. It will take awhile for the page to get to you, so what happens is when you go onto a website a copy of the page is stored locally. Next time you request it, you are shown the copy on your computer. It's much faster to show you a page on your own computer then it is to get a page the other side of the network/internet.
ISP's also cache popular pages too. So when one of their customers requests it, they have it pretty much ready to go.
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What is web-caching?
Web caching is the caching of web documents (e.g., HTML pages, images) in order to reduce bandwidth usage, server load, and perceived lag. A web cache stores copies of documents passing through it; subsequent requests may be satisfied from the cache if certain conditions are met. Actuality not all of the documents will be stored in it, but just the most common webs that most of the clients load it,because the memory size of the web caching is smaller than the memory size in server.
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