Does transitioning to cloud actually save you any money in the long run?
No. Most definitely, cloud infrastructure, I don't think there's a blueprint or framework you can apply, it's one size does not fit all.
I can tell you, for Facebook four years ago, anytime the fleet was over 100,000 machines it was economical to build it yourself and, for us, building it yourself was everything; from the data center all the way on up to the machines, the power distribution units, everything. But that's probably changed a little bit.
I can tell you for Yahoo, it wasn't. Server utilization was abysmal, so it depends on the rest of the organization.
And if you don't actually understand what your costs are before you start then it is more likely to increase them.
Especially on the services you now need to consume/uplift because you went to cloud.
That makes a lot of sense . Have you navigated a cloud migration at an organization before? If so, how did you shape your cloud migration strategy?
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Next is, "Okay. So, you've done that analysis, you've decided that cloud is right. How have you formulated your opinion on whether it's more cost effective or not, or whether it just fits in your business model appropriately?" And then I'm looking at the things like, "How are we mitigating utilization risk versus something that we can see and touch?" For instance, if I have vSphere in my data center, I can turn off VMs all day long, they don't cost me a dime, but if I have developers spinning up VMs or containers on Amazon or Google, those things are costing me money for every minute, every hour they operate, regardless of whether they're doing anything for me. And there aren't good tools to mitigate those things or manage those risks. The tools need to get better, but taking all of those things into account and taking a realistic view of what is important to you as a company in combination with what you can do if you did it right, versus what you could accomplish in the cloud, I think it's important in almost every single application.