Cloud Computing.ppt
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Cloud Computing 百度云介绍Web QQ介绍360云杀毒功夫熊猫3D渲染量一、Definition of Cloud Computing(云计算的定义)Cloud computing is a computing method based on the Internet, by this way, the sharingof hardware resources and information can beprovided to computers and other devicesCloud computing is the development of distributed computing, parallel processing, and grid computing, which represents an emerging business computing model云计算(cloud computing),是一种基于互联网的计算方式,通过这种方式,共享的软硬件资源和信息可以按需提供给计算机和其他设备云计算是分布式计算并行处理、网格计算、发展,这是一种新兴的商业计算模型云计算的特点◆Safety and reliability of the data◆Low requirement of client◆Easily share data◆Distribution according to need特点:数据安全可靠,客户端要求低,轻松共享数据,按需分配二、Background----Changes of the computational model(计算机模型的变化)➢Scientific Computing(科学计算)Scientific research, military(科学研究,军用)➢Business computing(商业计算)Banking, air(银行,航空)➢Personal computing(个人计算)Office, games(办公,娱乐)➢Internet Computing(互联网计算)Search, e-commerce(搜索,电子商务)三、The main forms of service(主要的服务模型)➢Software as a Service (SaaS)—软件及服务SaaS service providers deploy applicationsoftware on the server, users on demand orderedfrom the manufacturer via the Internet, serviceproviders charge based on customer's needs, andto provide customers with the software througha browser.SaaS服务提供商在服务器上部署应用软件,用户根据需求通过互联网向厂商订购应用软件服务,服务提供商负责根据客户的需求,并通过浏览器,为客户提供软件。