![]() ![]() ![]() For example, admins that choose Amazon as their cloud provider for a new project might be more inclined toward KVM. Amazon offers both Xen and KVM, so an admin's infrastructure requirements are the final factor. Red Hat, SUSE and Canonical support KVM as a virtualization option for their Linux versions.įor cloud, admins face a similar decision: Citrix and Oracle have a Xen-based offering, as opposed to Google on KVM. Oracle and Citrix have a large customer base and push Xen as their primary hypervisor. Other factors include UX, staff knowledge and code requirements.Ī smart choice requires admins to have a good understanding of current dependencies upon specific vendors and a clear vision of where their IT projects are heading. Infrastructure influences hypervisor choiceĪn organization's primary infrastructure is the main factor in the choice between KVM vs. Security and isolation are the primary motivations to protect sensitive data at the VM level. KVM Nitro is a new Amazon Elastic Compute Cloud capability that carves out isolated compute environments within the same instance. Xen version 4.14 has several new security-focused features, including Linux stub domains, a lightweight VM fork to analyze malware, a live patch feature with higher granular control over patching, and support for the hardware-based Control-flow Enforcement Technology Shadow Stack.Īpril 2021's version 4.15 improved these features and included new secure boot modes.Īn advantage of KVM is that it functions at the Linux OS kernel this means that KVM gets bug fixes and security updates as Linux publishes new releases. ![]() This doesn't apply to most modern servers but is an issue for older hardware. The Xen hypervisor uses a microkernel design that runs on bare-metal hardware and can run on systems without virtualization extensions. Both admins and vendors consider this support an advantage, and Amazon has actively moved toward a more hybrid approach to include KVM integration. Primary KVM vendor support is through Red Hat, plus the Linux kernel development team. KVM lets admins run the following guest OSes: Berkeley Software Distribution, Solaris, Windows, ReactOS and macOS with QEMU. OpenStack and oVirt currently use KVM as the default hypervisor. ![]()
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