Along with the development of technology and human needs, the computer is experiencing a very rapid development. Utilization of computers has been used in various fields of human, so at this time the computer cannot be released for business and human life. Cloud computing is one of the use of computers with Internet-based development. Cloud computing is a term applied to internet network technology.
Cloud computing arises because it needs a computer that can provide continuous service in an area that covers the global area. In cloud computing system resources that include data, applications, stored in the server. This server serves as the service provider of client computers. The server will continue to run, and provide data transmission at any time so that the server computer must have a good performance. Storage and maintenance of the server should be done well.
Cloud computing has a different type and type, according to the function and purpose of making the cloud computing. Based on the type of services cloud computing is differentiated into Software as a Service (SaaS), Platform as a Service (PaaS), Infrastructure as a Service (IaaS).
In cloud computing there is a technology used as its application, namely public cloud, private cloud, and hybrid cloud.
Public Cloud
It is a Cloud Computing service provided to the general public. We as a live user register or can directly use the existing service. Many Public Cloud services are free, and some need to pay to enjoy their services.
Private Cloud. It is a Cloud Computing service, which is provided to meet the internal needs of an organization / company. Ordinary IT departments will serve as Service Providers (service providers) and other departments become user (users).
Hybrid Cloud. Is a combination of Public Cloud and Private Cloud services that are implemented by an organization / company In this Cloud Hybrid, we can choose which business process can be transferred to Public Cloud and which business process should keep running in Private Cloud.
Thus a brief explanation of cloud computing, may be useful.
