The future of data management systems is the cloud technology model, but not necessarily public clouds (Amazon, Microsoft, etc). While most data will be in public clouds, a lot of data (especially health and financial) will end up on private clouds set up by large private companies and consortiums. These private clouds will be designed just like public clouds, so that development groups in their organizations won't have access to their own servers. Instead, they will use these private clouds the same way developers access public clouds. This way, they have all the advantages of clouds (rapid application creation, just in time scaling, etc), but will still have complete control over their data.
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Praveen Puri is the Strategic Simplicity® expert who has delivered over $400 million in value. He helps clients "weaponize" simplicity and bridge the gap between strategy and execution. Visit PuriConsulting.com