"Security, performance and costs are leading enterprises to reconsider their use of public clouds.
Enterprises are keeping more and more data on premises. This shift, which involves on-premises infrastructure and often some form of private clouds, is hard to deny.
In a survey last year of more than 400 enterprises in the United States, market research firm IDG found IT and general management expecting on average to keep 52% of data on premises, up from 48%. Related surveys of European and Asian businesses showed even greater increases in the number of respondents expecting to keep more than half of their data on premises..."
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