There are companies offering cloud based storage solutions both as a service, like Amazon and Nirvanix, and as a product to sell to service providers or for internal use. What is missing is how to get data to these cloud storage platforms. Some suppliers are even implementing a local NAS cache that gives users local speed and access while it trickles the data to and from the cloud. Cloud RAID or multicloud copy could be an ideal solution for those who are sold on the cloud storage concept but not a particular cloud storage supplier.”]
Source: https://www.darkreading.com/database-security/getting-data-to-the-cloud