Public Cloud Services Beat Out Private, IDC Finds - InformationWeek

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Cloud // Infrastructure as a Service
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4/13/2016
09:05 AM
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Public Cloud Services Beat Out Private, IDC Finds

IDC's Cloud IT Infrastructure Tracker projects 48% of IT spend will be in cloud infrastructure by 2020. Public services lead private cloud.

(Image: KellyISP/iStockphoto)

(Image: KellyISP/iStockphoto)

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Charlie Babcock
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Charlie Babcock,
User Rank: Author
4/14/2016 | 3:10:34 PM
Plenty of advantages to private cloud
SaneIT, You're right, it's hard to get good numbers on private cloud adoption, and what people mean when they say they have it. Also, there are advantages in addition to the singular goal of efficient compute utilization to the private cloud. It's probably enough if its much more efficient than the data center architecture that preceeded it, never mind whether it's a match for the public cloud.
SaneIT
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SaneIT,
User Rank: Ninja
4/14/2016 | 8:20:29 AM
Re: Public cloud more efficient?
I think the numbers are slightly skewed on the private cloud though.  It is very easy to measure how many people are using cloud based services but much harder to determine if someone is calling their next generation of in house applications a "private cloud".  In many instances IT departments are rolling out their new projects in what would be considered a private cloud configuration but to them it's just the natural growth path and it doesn't get a "cloud" tag placed on it.  If you're relying on surveys to tell you what the intended purpose of spending is then you're going to miss more of the private cloud allocations than the public cloud allocations. 
Charlie Babcock
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Charlie Babcock,
User Rank: Author
4/13/2016 | 1:46:07 PM
Public cloud more efficient?
Public clouds are more efficient than private because they mix workloads from many companies for higher utilization rates of servers throughout a 24-hour day. They can provide incentives to move lower priority work into low traffic, nighttime hours through the creation of Spot instances and online auctions for available virtual server compute power. At least, that's the theory.
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