Cloud storage as part of a primary storage solution will require some sort of local presence to cache active data sets. The ideal data set is one where it has a short create and edit cycle, then is rarely accessed in the future. Most of these hybrid type of devices can trickle data to your cloud provider so bandwidth can be throttled back. As the cost of bandwidth continues to come down even more applications and data sets will be deemed cloud appropriate, but the time to develop a cloud storage strategy is now.”]
Source: https://www.darkreading.com/database-security/how-to-get-high-performance-cloud-storage