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And when you do a TCO/ROI exercise, most of the time, cloud storage is more expensive
I would disagree. It's not most of the time.
I do these all the time, using real-time numbers from the cloud providers. So i guess we'll have to agree to disagree. I will admit, i probably should have added workloads in the cloud and not just "storage." There's a reason a lot of companies are re-patriating a lot of their workloads. The best approach is hybrid, with workloads and data stores properly placed where they make the most sense. From a storage perspective, cold storage, such as glacier, in the cloud is actually fairly cost effective. DR in the cloud can make sense as well. There are obviously other examples.
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dump all your storage in the cloud and it becomes a recurring OpEx cost, which will grow over time.
not necessarily, if it is managed properly
I'd love to see a cloud cost that has stayed stagnant or reduced over time (without workload re-patriation). I'm not saying that it doesn't exist somewhere, but it'd be the exception. Storage needs only grow. Usually when I talk to customers who have declining needs, its b/c those are just shifting over to SaaS. It didn't go away, they are just paying for it differently than before. And for the "properly managed" piece, what about any school district shows you these things can be properly managed with under-funded and under paid IT staffs?
But again, with cloud vs on-prem, we can also go back to my previous point that most districts can't commit future funds, which makes the cloud subscription model difficult regardless of any potential cost savings.
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b/c school districts are the slowest to adopt technology.
because the process of how public funding sucks. We have to constantly have increasing property taxes because the government is 15 years behind everything, and in todays world that costs more.
All you have really latched onto was cloud storage, a relatively inexpensive part of the cloud. Are there other compute or cloud service intensive operations an ISD must have that drives this bill up? Asking because I do not know, but having kids that have gone through school, and knowing the tech footprint of each and the use cases, the laptop farm with a solid internet connection can truely be accomplished if done right.
Ultimately, I'm not here to argue cloud vs on-prem for storage, compute, or any other SaaS/PaaS/IaaS/etc. I was simply answering the question you posed asking for examples of IT that isn't in a classroom. Even if you move most of the datacenter to the cloud, that's still a "behind the scenes" cost that most people don't think about when they are looking at the cost of IT. There's a lot of things from a technology standpoint that are needed to "keep the lights on" in a school district.
A laptop for a student with an internet connection might be enough for learning, but that's not my point. I'm not trying to argue we replace books or even replace whiteboards with touchscreen tvs. My point is, there's infrastructure needed to get that internet connection to the student. There's infrastructure needed to ensure the school district isn't hacked. There's infrastructure needed to make sure kids aren't jumping on porn sites at school. There's infrastructure needed to help keep kids safe. There's infrastructure needed to manage student data. The list goes on. This infrastructure can be physical, virtual, on-prem, in the cloud, whatever...it still costs money.