You may heard Xen,,OpenVZ,KVM and other Virtualization solution when you try to buy some VPS.
What the difference between Xen,OpenVZ,KVM and other Virtualization solution?
Now you can read some detail about them below.
KVM (Kernal Level Virtual Server):
It is the real hardware virtualization.which is full virtualization. Mean If there is 16 GB RAM on dedicated server then they can only sell 16 vps of 1gb ram, or 8 vps of 2gb ram. also same with cpu cores. its really good VPS for your heavy load website, But few of Hosting providers are selling them.
-Better pricing since provider can oversell.
-Handles overselling well though
-Overselling is easy, but not so detrimental
-Not complete virtualization; all OS share kernel.
-Less likely to be oversold
-If oversold, you're basically be in loss.
-Pricing is higher for clients.
-It supports a wide range of guest operating systems including Windows®, Linux®, Solaris®.
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