2025
https://www.wundertech.net/xcp-ng-vs-proxmox-side-by-side-comparison/
    ! xcp-ng is based on centos, proxmox - on debian
    ! xcp-ng uses paravirtualization - https://www.geeksforgeeks.org/difference-between-full-virtualization-and-paravirtualization/
    ! proxmox - +cepth, glusterfs
    ! perf is great for both
    !  XCP-ng is an enterprise virtualization platform, while Proxmox isn’t
    !  proxmox is probably just a bit easier
2024
https://www.techwrix.com/proxmox-vs-xcp-ng-which-hypervisor-is-best-in-2024/