This service does not need any installation of hardware or software, and so it is a very simple technology. The capital expenditure is low when you use this. It does not require a long time to get it up and running, so you do not have to wait months for the service and spend tons of money to get it. Do a little research for the right cloud services. A couple of weeks or months are enough to get a system running, even when there is customization required. Basically, all that is required is one data server that is connected to the internet. Then there is a subscriber or client computer that is able to send and receive copies of the files on the internet to and from the data server. The clients data is backed up in the service providers servers in a redundancy approach, which means in case of a disaster, the data will not be totally lost.