The hierarchical architecture of cloud computing is the application layer, middle layer, and infrastructure layer. The application layer provides various application software and services required by users with a friendly user interface; the middle layer is a link between the previous and the next, which provides services to users based on the resources provided by the infrastructure layer; the infrastructure layer is The middle layer or users provide the computing and storage resources they need.
The hierarchical architecture of cloud computing is the application layer, middle layer, and infrastructure layer
1, Application layer
The application layer provides various application software and services required by users with a friendly user interface. The application layer directly faces customer needs and provides enterprise customers with CRM, ERP, OA and other services. application.
2. Middle layer
The middle layer is a link between the previous and the next. It provides services to users based on the resources provided by the infrastructure layer, including access control. , resource management, database and middleware clusters, and can also provide customers with customized development interfaces through integrated APIs.
3. Infrastructure layer
The infrastructure layer provides the middle layer or users with the computing and storage resources they need, and provides them with virtualization and other technologies. Resource pooling to achieve on-demand allocation and rapid deployment of resources.
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