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The Xen Project

The Xen Project
The Xen Project™ develops virtualization technologies powering the world's largest clouds in production and is the foundation of many commercial products.

Xen: PV Calls: a new paravirtualized protocol for POSIX syscalls

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Let’s take a step back and look at the current state of virtualization in the software industry. X86 hypervisors were built to run a few different operating systems on the same machine. Nowadays they are mostly used to execute several instances of the same OS (Linux), each running a single server application in isolation. Containers […]

Virtual Machine Introspection: A Security Innovation With New Commercial Applications

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A few weeks ago, Citrix and Bitdefender launched XenServer 7 and Bitdefender Hypervisor Introspection, which together compose the first commercial application of the Xen Project Hypervisor’s Virtual Machine Introspection (VMI) infrastructure. In this article, we will cover why this technology is revolutionary and how members of the Xen Project Community and open source projects that […]

Q&A: Xen Project Release Strengthens Security and Pushes New Use Cases

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Xen Project technology supports more than 10 million users and is a staple in some of the largest clouds in production today, including Amazon Web Service, Tencent, and Alibaba’s Aliyun. Recently, the project announced the arrival of Xen Project Hypervisor 4.7. This new release focuses on improving code quality, security hardening and features, and support […]

Xen Project 4.7 and 4.6.3 Released

The Xen Project 0
I’m pleased to announce the release of Xen Project Hypervisor 4.7 and Xen Project Hypervisor 4.6.3. Xen Project Hypervisor 4.7 This new release focuses on improving code quality, security hardening, security features, live migration support, usability improvements and support for new hardware features — this is also the first release of our fixed term June […]

Xen Project Community Hosts Annual Developers Summit in August

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We recently announced the program and speakers for our Xen Project Developer Summit happening in Toronto, Canada from August 25-26, 2016. The event will be co-located with LinuxCon North America. The Xen Project hypervisor powers the new needs of computing and virtualization through a rich ecosystem of community members that focus on everything from security, embedded, and […]

Introducing the Xen Project Code Review Dashboard

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The Xen Project’s code contributions have grown more than 10% each year. Although growth is extremely healthy to the project as a whole, it has its growing pains. For the Xen Project, it led to issues with its code review process: maintainers believed that their review workload increased and a number of vendors claimed that […]

Announcing Xen Project 4.7 RC and Test Day Schedule

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Yesterday we created Xen 4.7 RC2 and will release a new release candidate every Wednesday, until we declare a release candidate as the final candidate and cut the Xen 4.7 release. We will also hold a Test Day every Friday for the release candidate that was released the Wednesday prior to the Test Day. This […]

Xen Project Hackathon 16 – Event Report

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  We just wrapped another successful Xen Project Hackathon, which is an annual event, hosted by Xen Project member companies, typically at their corporate offices. This year’s event was hosted by ARM at their Cambridge HQ. 42 delegates descended on Cambridge from Aporeto, ARM, Assured Information Security, Automotive Electrical Systems, BAE Systems, Bromium, Citrix, GlobalLogic, […]

Stealthy Monitoring with Xen altp2m

The Xen Project 0
One of the core features that differentiates Xen from other open-source hypervisors is its native support for stealthy and secure monitoring of guest internals (aka. virtual machine introspection [1]). In Xen 4.6 which was was released last autumn several new features have been introduced that make this subsystem better; a cleaned-up, optimized API and ARM […]

Xen Project 4.5.3 Maintenance Release is Available

The Xen Project 0
I am pleased to announce the release of Xen 4.5.3. Xen Project Maintenance releases are released in line with our Maintenance Release Policy. We recommend that all users of the 4.5 stable series update to this point release. Xen 4.5.3 is available immediately from its git repository: xenbits.xenproject.org/gitweb/?p=xen.git;a=shortlog;h=refs/heads/stable-4.5 (tag RELEASE-4.5.3) or from the Xen Project […]

Xen Project 4.6.1 Maintenance Release is Available

The Xen Project 0
I am pleased to announce the release of Xen 4.6.1. Xen Project Maintenance releases are released in line with our Maintenance Release Policy: this means we make one new point release per stable series every 4 months, which include back-ports of bug-fixes and security issues. I am pleased to announce the release of Xen 4.6.1. […]

Future of Xen Project: Video Spotlight Interview with Xen Project’s Chairperson Lars Kurth

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Lars Kurth had his first contact with the open source community in 1997 when he worked on various parts of the ARM toolchain. He has since become an open source enthusiasts, worked on several open source communities, and is the chairperson of the Xen Project Advisory Board. He is also the Director of the Xen […]

Xen Project 4.4.4 Maintenance Release is Available

The Xen Project 0
I am pleased to announce the release of Xen 4.4.4. Xen Project Maintenance releases are released in line with our Maintenance Release Policy. We recommend that all users of the 4.4 stable series update to this point release. Xen 4.4.4 is available immediately from its git repository: This release contains many bug fixes and improvements. […]

Why GlobalLogic Uses Xen (Overheard at CES)

The Xen Project 0
We were lucky to have the opportunity to meet up with GlobalLogic at CES and talk to them about their Nautilus platform for automotive virtualization. A few years ago, no one understood why the company was demoing hypervisor technology as a part of Nautilus, a set of solution accelerators that includes architectural concepts, a modified […]

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