What is a private cloud? [ And some things that it’s not]

Private cloud is a well-defined term that government standards groups and the commercial cloud industry have pretty much agreed upon, and while some think its use is waning, recent analysis indicates that spending on private cloud is still growing at a breakneck pace.

A study by IDC projects that sales from private-cloud investment hit $4.6 billion in the second quarter of 2018 alone, which is a 28.2 percent increase from the same period in 2017.

So why are organizations attracted to private cloud?

What is a private cloud?

There are four types of cloud – public, community, hybrid, and private cloud, according to the National Institute for Standards and Technology.

NIST says that private cloud has some unique characteristics that set it apart from the rest: “The cloud infrastructure is provisioned for exclusive use by a single organization comprising multiple consumers (e.g., business units). It may be owned, managed, and operated by the organization, a third party, or some combination of them, and it may exist on or off premises.”

That’s what sets private cloud apart, but it also shares five characteristics with the other types of cloud, NIST says.

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