Cloud system is a technology that provides a flexible, independent of the location of access to computer resources can be quickly and seamlessly allocates and the demand is.

Computer resources are abstracted and usually virtualize, and users are supplied in the form of services.

Technically speaking, the cloud model as its core concept of location independence.

Cloud applications are an ideal solution for small and medium-sized businesses that want to effectively operate and grow without investing in expensive hardware purchase and license, worry about backing up the recruitment and training of IT personnel for the installation, adjustment, maintenance and management of basic services necessary for the successful operation .