What Is Virtualisation and Why Does It Matter?
Virtualisation is the software technology that makes cloud hosting possible. A hypervisor (virtualisation software) runs on a physical server and creates multiple Virtual Machines (VMs) — each with its own allocated CPU cores, RAM, storage, and network interfaces. Each VM runs its own operating system and applications completely independently. A problem in one VM does not affect other VMs on the same physical server.
How Does Virtualisation Affect Your Server's Performance?
Modern hypervisors (VMware ESXi, KVM, Proxmox) introduce less than 2–5% overhead compared to running directly on physical hardware (bare metal). For all practical business workloads, this overhead is imperceptible. The performance you experience from a well-configured cloud VM is effectively identical to dedicated physical hardware with the same specs.
What Does "Dedicated CPU" Mean for a VM?
On a physical server with 64 CPU cores, 16 VMs with 4 dedicated cores each are allocated their cores exclusively — those cores cannot be used by other VMs. This is different from shared vCPU arrangements where cores are time-shared between VMs. Dedicated CPU ensures consistent performance regardless of what other VMs on the same physical server are doing. M A Global Network uses dedicated CPU allocation on all plans, not time-shared vCPU.
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