Bare-metal virtualization, also known as Type 1 or native virtualization, involves running a hypervisor directly on the host's hardware without the need for a separate operating system. This allows for efficient and direct access to the underlying hardware resources. Several virtualization products are commonly used for bare-metal virtualization. Here are some examples:
1. VMware ESXi: VMware ESXi is a leading virtualization platform specifically designed for bare-metal virtualization. It is a lightweight hypervisor that directly runs on the server hardware. ESXi provides advanced features for managing and consolidating virtual machines (VMs), such as live migration, high availability, and resource allocation controls.
2. Microsoft Hyper-V: Hyper-V is Microsoft's native hypervisor for bare-metal virtualization. It is an integral component of the Windows Server operating system. Hyper-V offers features like live migration, clustering, and integration with other Microsoft technologies. It is commonly used in enterprise environments running Windows-based virtual machines.
3. Citrix Hypervisor: Formerly known as Citrix XenServer, Citrix Hypervisor is a robust bare-metal virtualization solution. It is based on the open-source Xen hypervisor and provides enterprise-level features such as high availability, resource pooling, and virtual machine live migration. Citrix Hypervisor is often used in virtualized desktop infrastructure (VDI) environments.
4. KVM (Kernel-based Virtual Machine): KVM is an open-source virtualization solution built into the Linux kernel. It allows for bare-metal virtualization on Linux servers. KVM provides strong performance and scalability and is widely used in cloud computing environments. It is supported by various Linux distributions and can run both Linux and Windows-based virtual machines.
5. Oracle VM Server: Oracle VM Server is a hypervisor-based virtualization solution developed by Oracle. It is designed to run on bare-metal servers and provides features like live migration, high availability, and centralized management. Oracle VM Server is commonly used in Oracle software and hardware environments.
These virtualization products enable the creation and management of virtual machines directly on the hardware, allowing for efficient resource utilization and improved performance. They offer various features and management tools to facilitate the deployment, monitoring, and administration of virtualized environments. The choice of a virtualization product for bare-metal virtualization depends on factors such as specific requirements, compatibility with existing infrastructure, vendor support, and cost considerations.
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