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Technology
Virtualization
Proxmox VE
Open-source on-premise virtualization, no per-core licensing
What it is
Proxmox VE is an open-source virtualization platform based on KVM (virtual machines) and LXC (containers), managed from a unified web interface, without the per-core licensing cost proprietary platforms require. It's the option we evaluate within DITAP Cloud when a client's infrastructure needs to stay on-premise or in a private-cloud model.
It has become a much more common request since proprietary hypervisor licensing got noticeably more expensive for smaller organizations.
When we recommend it
We recommend Proxmox when:
- The client wants to consolidate physical servers into a virtualized environment without taking on recurring public-cloud cost.
- Regulatory or business requirements demand keeping data and workloads physically on the client's premises.
- The client wants to cut spending on proprietary virtualization licensing, especially after changes to traditional vendors' licensing policies.
- High-availability clustering is needed across physical servers the client already owns, without relying on an external provider.
- The client already has underused physical servers and wants to consolidate them before investing in new hardware or public cloud.
How we implement it
Our Proxmox implementation includes:
- Server and rack sizing (compute, storage, network) based on the actual projected workload.
- Hypervisor installation and hardening, with separated management and production networks.
- Migration of virtual machines or containers from the client's previous platform.
- Integration with Proxmox Backup Server for automated backups, and clustering configuration for high availability when budget allows.
- Documentation of the VM topology and disaster-recovery plan, so maintenance doesn't depend on a single person on your team.
Alternatives
Proxmox doesn't always replace the traditional alternatives — depending on the case, we also work with:
VMware vSphere
a more mature ecosystem with broader compatibility with certified enterprise software, at a considerably higher licensing cost.
Hyper-V
a natural choice if the client already runs Windows Server licensing and prefers staying within the Microsoft stack.
Public cloud VMs (Azure/AWS)
a better fit when elasticity and scalability matter more than full control over the hardware.
DITAP is not an official partner of this vendor and holds no certification or exclusive commercial agreement with it. This page describes our real implementation experience on client projects.
Need to implement or migrate this at your company?
Let's talk about your specific case — site, number of users, budget — and we'll tell you honestly whether this is the right technology.