Use Cases and Deployment Scope
We needed to have a flexible virtualization environment that granted us control over how the virtual machine was presented as well as compatibility with other platforms. This was for our own organization, as well as for our clients, some being financial institutions, schools, and large investments companies. Proxmox has granted us this flexibility while at the same time ensuring we don't have vendor lockin.
Alternatives Considered
VMware ESXi and Citrix Hypervisor (formerly XenServer)
Other Software Used
pfSense, Cisco Meraki MX, Laravel PHP Framework