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VPS server is created by splitting a dedicated server into smaller servers using the virtualization technology. Each VPS functions like a dedicated server at much lower costs. You can choose the virtualization based upon your budget and website requirements. The most popular virtualization VPS are XEN, OVZ, and KVM.
1. XEN: Xen is open-source bare-metal hypervisor that allows a
dedicated server to run multiple guest operating systems to run on it. Individual resources are allocated to each of the virtual servers and they operate like a dedicated server. Xen is a robust and stable platform and an ideal choice for the high-traffic websites.
2. OVZ: The OpenVZ virtualization is a Linux kernel based platform that is suitable for businesses that wish to use multiple servers each dedicated to one specific work, or host CMS websites without much traffic pressures. You can also use it if you wish to do
reseller business. It is fast and affordable however you cannot modify the kernel.
3. KVM: KVM (kernel-based [url]virtual machine[/url]) is a full hardware virtualization system that supports all the popular operating systems like
Windows VPS,
Linux VPS and BSD platforms and works well with high-traffic websites. It is scalable and highly stable.