Following Broadcom's acquisition of VMware and the resulting pricing and licensing upheaval, businesses are evaluating open source hypervisor alternatives. Proxmox and XCP-ng are the two leading contenders. Proxmox, built on Debian with KVM, benefits from a large community talent pool and modular tooling but requires managing multiple components and lacks enterprise-grade SLA support. XCP-ng, a fork of Citrix XenServer maintained by Vates, offers a purpose-built minimal host OS, a unified management plane (Xen Orchestra), and formal SLA-backed support closer to VMware's model. The key differentiators are TCO, update management complexity, and support guarantees. Proprietary alternatives are dismissed as simply resetting the vendor lock-in clock, while OpenShift is noted as a different category of platform. The recommendation is to choose based on team skill set and formal support requirements.
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