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	<title>FAQ Book &#187; Cloud Computing ( 雲端運算 )</title>
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		<title>雲端運算是什麼？</title>
		<link>https://blog.faq-book.com/?p=3254</link>
		<comments>https://blog.faq-book.com/?p=3254#comments</comments>
		<pubDate>Mon, 03 Oct 2011 05:43:51 +0000</pubDate>
		<dc:creator>Derek</dc:creator>
				<category><![CDATA[Cloud Computing ( 雲端運算 )]]></category>
		<category><![CDATA[API]]></category>
		<category><![CDATA[GUI]]></category>
		<category><![CDATA[IaaS]]></category>
		<category><![CDATA[PaaS]]></category>
		<category><![CDATA[SaaS]]></category>
		<category><![CDATA[公有雲]]></category>
		<category><![CDATA[私有雲]]></category>
		<category><![CDATA[雲端運算]]></category>

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		<description><![CDATA[<p>&nbsp;</p>
<div>
<p style="margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; "><span style="color:#000;"><span class="Apple-style-span" style="font-family: Verdana, 'BitStream vera Sans', Tahoma, Helvetica, sans-serif; line-height: 17px; ">雲端一詞，最近越來越熱門了。剛好有機會可以了解「什麼是雲端」。</span></span></p>
<p style="margin-top: 0px; margin-right: 0px; margin-bottom: 10px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; "><span style="color:#000;"><span class="Apple-style-span" style="font-family: Verdana, 'BitStream vera Sans', Tahoma, Helvetica, sans-serif; line-height: 17px; ">以下內容是參考了「<a href="http://hanklin.com/blog/p/124" style="color: rgb(41, 112, 166); text-decoration: none; ">&nbsp;AWS 雲端企業實戰聖經</a>」，所整理出來的。 若想更深入了解，可自行直接購買。</span></span></p>
</div>
<div>&nbsp;</div>
<div><span style="font-size:20px;"><b>雲端運算如何定義</b><b> : </b></span></div>
<div>&nbsp;</div>
<div align="center"><b><a href="http://blog.faq-book.com/wp-content/uploads/image/Cloud Computing/Cloud Computing/1.jpg" rel="lightbox[3254]"><img alt="" height="381" src="http://blog.faq-book.com/wp-content/uploads/image/Cloud Computing/Cloud Computing/1.jpg" width="550" /></a><br />
	</b></div>
<div>&nbsp;</div>
<div>最近在資訊界越來越常聽到「<span><span style="color:#ff8c00;">雲端</span>」這兩個字被套用在很多服務上。但是卻有個問題，使用的人越來越多，相對的對於「<span style="color:#ff8c00;">雲端</span>」的解釋上也就會有所不一樣了。</span></div>
<div>&nbsp;</div>
<div><span style="color:#ff8c00;">雲端運算（Cloud Computing）</span>並非技術，而是一種概念，是基於電腦技術的運用，發展而成的一種網路交流型態，「雲端」就是指「網路」，<span>雲端運算就是利用網路溝通多台電腦的運算工作，或是透過網路連線取得由遠端主機提供的服務等。雲端運算技術最早是由</span><span style="color:#ff8c00;">Amazon</span>所提出的，為了因應網路購物平台而生，之後<span style="color:#ff8c00;">Google、Microsoft</span>先後跟進。</div>
<div>&nbsp;</div>
<div>就以我知道的來說，對「雲端運算」的定義為 :</div>
<div>&nbsp;</div>
<div><span style="color:#f00;">依使用者需求( on-demand )，以網際網路為基礎，來提供大量的運算能力，分享資源及服務。</span></div>
<div>&nbsp;</div>
<div><span style="color:#000;">所謂「依使用者需求」，指的是能「即時」依使用者的要求，去改變服務或資源的大小。雲端運算服務提供者( cloud compurting service provider ) 一定要提供API、GUI或命令列工具，可直接控制。</span></div>
<div>&nbsp;</div>
<div>API : <a href="http://zh.wikipedia.org/wiki/%E5%BA%94%E7%94%A8%E7%A8%8B%E5%BA%8F%E6%8E%A5%E5%8F%A3">應用程式介面</a></div>
<div>&nbsp;</div>
<div>GUI : <a href="http://baike.baidu.com/view/25309.htm">圖形化介面</a></div>
<div>&nbsp;</div>
<div> <a href="https://blog.faq-book.com/?p=3254#more-3254" class="more-link">繼續閱讀 &raquo;</a></div>

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