I’ve been keeping up with private clouds. I’m not doing too much private cloud work, but I am writing and designing courses on the topic. As you may recall, not long ago private clouds were the primary focus for most enterprises. They did not want their data and processes out of their direct physical control, but they did want to move to “a cloud.” So they hosted their workloads on one of several private cloud operating systems that were being pushed at the time. Some proprietary, some open source.
My problem with private clouds is that they only provide a slight advantage over traditional on-premises hosting. You still need to own the hardware, and you still have to upgrade and maintain it, so what’s the fundamental advantage?
Those who advocated for private clouds then and now would tell you that it mimics many of the advantages of public clouds, such as provisioning resources on demand, auto-scaling, and hopefully better efficiency, but on hardware you own and control. Some of this is true, but my testing at the time provided mixed results.
Although I never rule out any platform, private clouds were not the best choice for many enterprises. Public