What does cloud computing mean? What are typical cloud services

Amazon, as one of the first companies to enter the emerging markets for cloud computing, has started a good start in trying to get into the field. Amazon's cloud name is Amazon Network Service (Amazon Web, hereinafter called AWS), which is currently comprised of 4 Key services: Simple storage services (easy STORAGESERVICE,S3), flexible computing Clouds (elastic Compute cloud,ec2); Simple arrange service (easy Queuingservice) and simpledb in the test phase. In other words, Amazon now provides access to storage, computer processing, information queuing, and database management system access through the network.

Google has created an hyper-dynamic business model around Internet search. Now they are opening their "cloud" to businesses in application hosting, corporate Search, and more. Google launched the Google Apps engine (Google app Engine, called Gae), which allows developers to compile Python based applications and use Google's infrastructure for free hosting (up to 500MB of storage). For storage over this upper limit, Google charges 10 to 12 cents per CPU core per hour and 1GB space 15 to 18 cents. Recently, Google has also announced the availability of enterprise-customizable search service programs.

Salesforce is a pioneer of SaaS manufacturers, and it was initially offered as an automated application of sales force through network access. Salesforce Underground is: PaaS. The company is building its own network application platform, which can serve as the basis for other companies ' own software services. I include relational databases, user interface options, Enterprise logic, and an integrated development environment called APEX. Programmers can test the application software that they developed using apex on the platform sandbox, then submit the completed code in Salesforce AppExchange directory.

Microsoft has been through a lot of twists and starts in the cloud computing phase. After years of Running-in, the software giant's cloud computing strategy is finally on track. According to some manufacturers, most of the future IT resources will come from cloud computing, but Microsoft does not think so. A few months ago, Microsoft's chief Software Architect, Ozzie, had said that Microsoft's grand plan was to "provide a balanced mix of enterprise-class software, partner hosting services, and cloud services." In short, Microsoft calls it "software Plus service" (Softwareplus services). Microsoft will launch the first batch of SaaS offerings this year including Dynamics CRM online, Exchange online, officecommunications online, and Sharepointonline. Each product has a multiple customer share version, its main service target is small and medium enterprises. A single customer version of the licensing cost of more than 5,000 U.S. dollars. For ordinary users, Microsoft's online services include Windows Live, Office live, and Xbox Live.

(Responsible editor: The good of the Legacy)