Cloud computing refers to the use and access of multiple server-based computational resources via a digital network (WAN, Internet connection using the World Wide Web, etc.).

云计算是指通过数字网络(WAN，万维网连接，等等)使用和访问多种以服务器为基础的计算机资源。

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Databases built to leverage cloud computing scalability are available and billed in actual usage, often based on the number of requests executed on the server.

可以使用基于云计算可伸缩性来创建数据库，并按实际使用量计费，通常是根据服务器上执行的请求数。

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Tonjes adds that “Server vitualization + cloud computing give us great speed and flexibility and typically are significantly cheaper than enterprise data center-based infrastructure.”

Tonjes说：“服务器的虚拟化加上云计算让我们比起企业数据中心的基础结构更快、更灵活，而且也更便宜。”

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The enhanced 32-bit execution capability will benefit existing 32-bit cloud server applications, while 64-bit execution extends the applicability of ARM technology-based solutions to enable new opportunities in networking, server and high-performance computing.

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By enabling applications to both scale in capacity and provide non-stop availability, server-farms have played a major role in the rapid expansion of Web-based computing.

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Today, client-server architectures have been replaced by browser-based user Web applications and the cost of computing has fallen dramatically which, along with cloud computing, have made scalability issue quite a different proposition.

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