That's how you do it. You don't stick with on-prem but just build your own cloud. At that size, AWS won't really buy hardware much cheaper than you. And while y

That's how you do it. You don't stick with on-prem but just build your own cloud. At that size, AWS won't really buy hardware much cheaper than you. And while you can't build every cloud product that AWS has, the most popular ones are open source anyway.