Xen Project (Hypervisor)

The hypervisor team has come to the conclusion that using the C programming language, which is 45 years old as of writing, is not a good idea for the long term success of the project. C, without doubt, is ridden with quirks and undefined behaviours. Even the most experienced developers find this collection of powerful […]

Xen on ARM is becoming more and more widespread in embedded environments. In these contexts, Xen is employed as a single solution to partition the system into multiple domains, fully isolated from each other, and with different levels of trust. Every ... [More] embedded scenario is different, but many require real-time guarantees. It comes down to interrupt […] [Less]

  We’re excited to announce that registration and the call for proposals is open for Xen Project Developer and Design Summit 2017, which will be held in Budapest, Hungary from July 11-13, 2017. The Xen Project Developer and Design Summit combines the formats of Xen Project Developer Summits with Xen Project Hackathons, and brings together […]

I am pleased to announce the release of Xen 4.6.5 and 4.7.2. Xen Project Maintenance releases are released in line with our Maintenance Release Policy. We recommend that all users of the 4.6 and 4.7 stable series update to the latest point release. ... [More] Xen 4.6.5 Xen 4.6.5 is available immediately from its git repository http://xenbits.xen.org/gitweb/?p=xen.git;a=shortlog;h=refs/heads/stable-4.6 […] [Less]

This is a quick announcement that the Xen Project is again participating in Google Summer of Code (GSoC), a program that awards three-month paid stipends to University students to work on open source projects, with the goal to get open source experience. The Xen Project will also again participate in Outreachy, which is an internship […]

A software environment’s attack surface is defined as the sum of points in which an unauthorized user or malicious adversary can enter or extract data. The smaller the attack surface, the better. Linux.com recently sat down with Doug Goldstein ... [More] (https://github.com/cardoe or @doug_goldstein) to discuss how companies can use hypervisors to reduce attack surfaces and why […] [Less]

Issuing advisories has a cost: It costs the security team significant amounts of time to craft and send the advisories; it costs many of our downstreams time to apply, build, and test patches; and it costs many of our users time to decide whether to do an update, and if so, to test and deploy […]

A challenge for any cloud installation is the constant tradeoff of availability versus security. In general, the more fluid your cloud system (i.e., making virtualized resources available on demand more quickly and easily), the more your system ... [More] becomes open to certain cyberattacks. This tradeoff is perhaps most acute during active virtual machine (VM) migration, when […] [Less]

It’s that time of the year again – FOSDEM is coming to Brussels February 4 – 5 and the Xen Project team will be attending again. We’ll be at a booth with Citrix, Oracle, both Xen Project members, and Vates. Xen Orchestra, which offers a complete web UI for controlling a XenServer and Xen infrastructure, […]

The modern trend towards cloud-native apps seems to be set to kill hypervisors with a long slow death. Paradoxically, it is the massive success of hypervisors and infrastructure-as-a-service during the last 15 years that enabled this trend. Stefano ... [More] Stabellini provides an overview of the rise of containers and how hypervisors are co-existing and thriving in […] [Less]