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SDN and NFV Simplified: A Visual Guide to Understanding Software Defined Networks and Network Function Virtualization by Jim Doherty

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31. Where’s My Data, Exactly?

With the advent of the cloud in the late 2000s, the question, “Where’s my data, exactly?” crops up time after time when discussing the possibility of deploying applications to a cloud service provider. Businesses are rightly skeptical about passing and storing confidential, sensitive, or valuable data on a network outside of their own jurisdiction. This question is often posed by those who are either against the use of a third-party cloud or by those who lack a technical understanding. It is important to ensure data is secure, but the issue of exactly where the data is located is inconsequential. To understand why specific location is not a big issue, we need to look at storage virtualization—how it has evolved from ...

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