| 摘要 |
PURPOSE: A hybrid cloud with a complex authentication system is provided to greatly improve security by using a complex authentication method when a user access to a public cloud from a private cloud. CONSTITUTION: A public cloud(10) virtualizes large-scale resources including an operating system, an application, storage, and a network in a central server. An authentication server(20) stores authentication security information for a user. A private cloud(30) virtualizes resources including the operating system, the application, the storage, and the network in the central server. The private cloud is accessible within a preset private network. A user terminal(40) uses a public cloud or the private cloud. |
