Comparisons anchored on OpenStack, the Apache-2.0 private cloud platform.
Infrastructure cloud or container platform: OpenStack pooling compute, storage and networking for VMs against Kubernetes orchestrating containers, when one runs on top of the other, and the team, release cadence and upgrade work each implies.
Which official OpenStack deployment project to build a private cloud with: Kolla-Ansible with its containers, OpenStack-Ansible with playbooks that run services in containers or on the hosts, or OpenStack-Helm charts on Kubernetes. Covers how each runs services, minimum hosts, tested versions and the skills each demands.
Two Apache-2.0 private cloud platforms for teams replacing VMware or building a sovereign cloud: OpenStack's modular services with multi-tenant APIs and a six-monthly release train against OpenNebula's single front-end on KVM with Sunstone and per-host enterprise subscriptions. Covers team size, upgrade effort, Kubernetes options, edge use and who supports each.
Two Apache-2.0 private cloud platforms compared: OpenStack's modular services on a six-month release cycle against CloudStack's single management server orchestrating KVM, vSphere and other hypervisors, on architecture, upgrades, team size and Kubernetes support.
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