While hybrid, multi- and cross-cloud applications are on the rise, even for scenarios in which purely public cloud deployments are planned, having an equivalent private cloud stack available is useful in many ways. With the relative portability of popular open source cloud stacks, this is rather trivial to accomplish. For many large cloud providers, there are commercial solutions like Microsoft’s Azure Stack, IBM’s Cloud Private, Oracle’s Cloud Native Framework, Google’s Anthos (née CSP), Alibaba’s Apsara Stack and Amazon’s AWS Outposts (as well as Greengrass for Lambda and other specialised offers). Yet sometimes, these are not an option for technical or business reasons. In this blog post, alternative options are discussed.

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