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10 Next-Generation Hyperconverged Infrastructure For Dummies, Nutanix Special Edition These materials are © 2020 John Wiley & Sons, Inc. Any dissemination, distribution, or unauthorized use is strictly prohibited. always available in the cloud and how to ensure regulatory com- pliance, for example, with regard to data residency requirements. This is not to say that the public cloud is bad . . . not at all. It's good, but it requires constant vigilance, in terms of cost monitor- ing and security controls, to make sure that you don't fall victim to a preventable situation. It also requires a cohesive cloud strat- egy that enables your organization to determine which applica- tion workloads are appropriate for the cloud rather than an "all in" cloud-only approach. Converged infrastructure versus problem-solving In the middle of the first decade of this century, someone some- where came to the realization that the complexity surrounding three-tier architectures was real. With that proclamation, converged infrastructure was born. Looking at it side-by-side with a traditional three-tier approach yields no discernable differences between the two paradigms. They both have servers. They both have storage. They both have a networking fabric of some kind. Where convergence diverges from legacy, though, is in the pro- curement and support model. With a traditional three-tier envi- ronment, you, the lucky customer, get to spec every aspect of the environment, buy the pieces and build it all, hoping that every- thing works at the end. With convergence, that hard work is done for you. DIY no more. When you buy a converged infrastructure solution, you're elimi- nating procurement and deployment pain in return for a few more dollars spent up front. On an ongoing basis, you're also given the promise of eliminating interoperability issues because converged infrastructure solutions are supposed to be well- tested. That's where the benefit ends. Although you may have some administrative overlay that helps manage the environment, you're largely using separate management tools, just as you did with three-tier infrastructure. So, operationally, you don't receive a whole lot of benefit. From a support perspective, perhaps the biggest benefit to con- verged infrastructure is that you typically get a single phone