OpenVZ vs KVM (Kernel-based Virtual Machine)

Struggling to choose between OpenVZ and KVM (Kernel-based Virtual Machine)? Both products offer unique advantages, making it a tough decision.

OpenVZ is a Os & Utilities solution with tags like containers, virtualization, linux.

It boasts features such as OS-level virtualization, Resource isolation, Overcommitting of physical resources, Live migration of containers, Templates for fast deployment and pros including Lightweight and efficient, Good performance, Easy to manage, Scalable.

On the other hand, KVM (Kernel-based Virtual Machine) is a System & Hardware product tagged with virtualization, vm, linux, open-source.

Its standout features include Kernel-level virtualization, Supports live migration of VMs between hosts, Built into Linux kernel, Leverages hardware-assisted virtualization, Open source and free, and it shines with pros like Good performance, Leverages hardware virtualization, Integrated into Linux, Active development community, Free and open source.

Feature	OpenVZ	KVM (Kernel-based Virtual Machine)
Overall Score	N/A	N/A
Primary Category	Os & Utilities	System & Hardware

Product Overview

OpenVZ

Description: OpenVZ is an open source container-based virtualization platform for Linux. It allows multiple isolated virtual containers to run on a single physical server, sharing the same Linux kernel.

KVM (Kernel-based Virtual Machine)

Description: KVM (Kernel-based Virtual Machine) is an open-source virtualization technology that allows you to create and run virtual machines (VMs) on Linux. It makes use of hardware virtualization capabilities of modern CPUs for efficient virtualization.

Key Features Comparison

OpenVZ Features

• OS-level virtualization
• Resource isolation
• Overcommitting of physical resources
• Live migration of containers
• Templates for fast deployment

KVM (Kernel-based Virtual Machine) Features

• Kernel-level virtualization
• Supports live migration of VMs between hosts
• Built into Linux kernel
• Leverages hardware-assisted virtualization
• Open source and free

Pros & Cons Analysis

OpenVZ

Pros

• Lightweight and efficient
• Good performance
• Easy to manage
• Scalable

Cons

• Limited customization compared to VMs
• Less flexible than Docker
• Lacks native live storage migration
• Not as widely supported as other solutions

KVM (Kernel-based Virtual Machine)

Pros

• Good performance
• Leverages hardware virtualization
• Integrated into Linux
• Active development community
• Free and open source

Cons

• Linux-only
• Less features than proprietary solutions
• Steeper learning curve than alternatives
• No centralized management

Pricing Comparison

OpenVZ

• Open Source

KVM (Kernel-based Virtual Machine)

• Open Source
• Free