Xen, one of the oldest open-source hypervisors, has long been popular with major cloud services such as Amazon Web Services, Rackspace Public Cloud, and Verizon Cloud. Now, with improved performance, ...

For data center and cloud environments, Xen 4.21 delivers more efficient virtualization through smarter cache management, improved PCI handling, and a new AMD CPPC driver that provides finer-grained ...

For seven years, Xen virtualization software used by Amazon Web Services and other cloud computing providers has contained a vulnerability that allowed attackers to break out of their confined ...

Cloud service providers tend to favor various implementations of the open source Xen hypervisor because it’s simply not cost effective for them to pay to license a commercial hypervisor at scale. It’s ...

The Xen Project released new versions of its virtual machine hypervisor, but forgot to fully include two security patches that had been previously made available. The Xen hypervisor is widely used by ...

The virtualization market is expected to heat up this year as Microsoft and the open source Xen project challenge VMware, which has been the only game in town when it comes to virtualizing x86 servers ...

Groups led by developers at Citrix and Samsung are bringing Xen hypervisor to ARM Cortex A15, but a KVM project isn't far behind Several Xen developers who currently work for Citrix recently announced ...

The open source hypervisor Xen has a new version, 3.3, that includes a number of upgrades and enhancements that make it more enterprise-worthy and start to move it beyond the datacenter. Xen is a free ...

XenAccess, a Georgia Tech-hatched project that aims to bring VMsafe-esque capabilities to the Xen project, may provide a way to give Xen great security at the hypervisor level. Matt Asay is a veteran ...

In spite of its close partnership with Microsoft, Red Hat and Novell, XenSource's CTO maintains the virtualization hypervisor belongs in server hardware -- not in the operating system. Speaking at ...

Getting a jump on competing hypervisors, the open source Xen is preparing for the day when ARM processors will run virtual machines. “There is a lot of interest in ARM virtualization, both for micro ...