Shulou(Shulou.com)06/02 Report--

More and more enterprises are not localizing their data and are gradually moving to the cloud. From the deployment level, cloud computing now mainly has public cloud, private cloud and hybrid cloud model.

The understanding of three kinds of Cloud

1. Public cloud: many enterprises share a CVM, that is, shared resource services in a sense. For example, if you think of the public cloud as a rental house, dividing a room into many rooms, then the enterprise is one of the tenants, and when the enterprise chooses to stop renting, the space will be cleared and released for lease to the next tenant.

2. Private cloud: the server can be built by the enterprise, or it can rent a third-party server. The enterprise can enjoy the server independently. If the public cloud is a rental room, then the private cloud is a cottage with a single family. It can be set and matched according to the needs of users.

3. Hybrid cloud: it is a solution that combines public cloud and private cloud. Many enterprises will place important data in private cloud, ordinary data or some unimportant data in public cloud. Data and applications can be migrated between the two.

All three kinds of clouds have their own advantages and disadvantages. Public clouds are cheap, quick to use, and can save maintenance costs. Start-up companies or individuals use more. Private cloud can be customized according to demand, providing a more secure environment and operation and maintenance equipment, but the price will be higher. The advantage of hybrid cloud is that it can meet diversified needs and save money, but it will become more complex because of compatibility and other issues in the development process, and later maintenance also requires a lot of manpower and material resources.

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