Cloud computing in its broadest sense refers to the delivery and usage patterns of services, which are used to obtain the required services on an as-needed and extensible basis. This service can be it and software, Internet-related, and can be any other service. Cloud computing is an internet-based Super computing model in which thousands of computers and servers are connected to a cloud of computers in remote data centers. The narrow sense of cloud computing refers to the http://www.aliyun.com/zixun/aggregation/13695.html ">it infrastructure delivery and usage patterns, which means acquiring the required resources (hardware, platform, software) on demand and in a scalable manner over the network." A network that provides resources is called a "cloud."
The resources in the cloud can be extended indefinitely by the user, and can be obtained at any time, on demand, at any time, and paid for by use. This feature is often called the use of IT infrastructure like hydroelectric power.
In fact, cloud computing has long been used in our lives. For example, we often use Google or Baidu search engine, in the input keyword, will immediately jump out of a lot of relevant information, the search for this information by Google and Baidu is located in the Cloud Computing center completed.
such as the current most powerful iphone, ipad and other products, its practical is also cloud computing, people do not have to go to different places to search, download, installation, payment and verification, but directly through a machine can easily access to games, music and many other needs of their own services. From this we can simply understand cloud computing into a business model, as long as can provide users with a huge amount of information services, that is the cloud.
Globally, cloud computing is seen as the next revolution in technology, which will lead to fundamental changes in working methods and business models, and cloud computing also means huge business opportunities. At present many home appliances enterprises have launched cloud computing related products and service concept.
(Responsible editor: The good of the Legacy)