xen Resources

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ZDNet Dictionary Definition

Xen: Open source virtualization software that is used to partition workstations and servers into separate virtual machines, each containing its own copy of an OS. Pronounced "zen," and developed at...; Full Xen Definition >>

ZDNet Resources

The magic commoditizing virtual machine manager: I recently noticed VMware's second free hypervisor, a commentary by Gordon Haff of CNET (one of ZDnet's sister companies). He offered an interesting analysis of VMware's recent move to make it's embedded ESX Server available at no charge starting on July 28. I'd like to add a few thoughts of...; Tags: revenue, xen, vmware inc., virtual machine, desktop virtualization, dan kusnetzky; Blog posts 2008-07-28
If Xen and KVM are free, why do VMware and Microsoft get all of the press?: If Xen and KVM are free, why do VMware and Microsoft get all of the press?Different goals, maybe. Similar imperatives, yes.While the open source community is driven by solving mutual problems and then making the solutions available to everyone, if open source communities hope to make inroads into large organizations,...; Tags: desktops, xen, vmware inc., open-source community, open source, microsoft corp., hyper-v; Discussion threads 2008-07-25
If Xen and KVM are free, why do VMware and Microsoft get all of the press?: Xen and KVM, like other virtualization tools, can be used as part of a comprehensive datacenter architecture. One of the most important value propositions offered by both of these tools is low initial cost (read "free"). Depending upon the implementation (Citrix, Red Hat, SUSE, Virtual Iron, Oracle, Sun, Qumranet, etc.)...; Tags: red hat inc., xen, vmware inc., microsoft corp., tool, comprehension, productivity, data centers, open source, storage, hardware, data management, dan kusnetzky; Blog posts 2008-07-25
Citrix and Xen not versus Xen: Citrix and Xen not versus XenOverpriced addonsThey collude with MS for insane profits.; Tags: xen, citrix systems inc.; Discussion threads 2008-07-17
Citrix and Xen not versus Xen: Simon Crosby, CTO of Citrix's Virtualization Management group, contacted me after reading the post, Citrix versus the Xen community, to clear up some misconceptions that he thought were the basis of my post. After reading his message, it's clear that what he had to say was very persuasive. Thanks Simon...; Tags: citrix systems inc., xen, dan kusnetzky; Blog posts 2008-07-17

Citrix versus the Xen community: Citrix versus the Xen communitySomebody set up us the bomb.What is Citrix going to do? Take their ball and go home?Whether or not any part of the hypothesis in the article accurately reflects reality but it does sound just about right, this is some fairly odd behavior from Citrix. Interesting...; Tags: citrix systems inc., xen; Discussion threads 2008-07-15
Citrix versus the Xen community: As the virtual machine software competition heats up, one would expect representatives of each of the suppliers to take shots at one another in the media. I've seen a recent example of this.Two of the proponents of Xen, Citrix and Virtual Iron, appear to be having at it in the...; Tags: community, citrix systems inc., xen, vmware inc., technology, virtual machine, dan kusnetzky; Blog posts 2008-07-15
Red Hat's PV drivers boosts performance of Windows, older Linux guests on Xen-based RHEL 5: Red Hat has significantly sped up the performance of Windows and Linux guests running on its Xen-based Red Hat Enterprise 5 platform. The Raleigh, NC software company released on May 20 paravirtualized drivers that significantly improve the performance of older Red Hat Enterprise 3 and 4 workloads...; Tags: red hat enterprise linux, linux, performance, red hat inc., photovoltaics, red hat enterprise linux 5, xen, microsoft windows, open source, unix, operating systems, servers, software, hardware, paula rooney; Blog posts 2008-05-29
Neocleus - A different take on desktop virtualization: Ariel Gorfung, CEO, Neocleus, and I had a fast paced, interesting discussion about the company's notion of "endpoint virtualization" and how that can change how organizations deploy and use desktop and laptop systems. At first I had trouble really getting to the heart of what they were doing. Their use...; Tags: security, desktop virtualization, information technology, environment, xen, neocleus, xen community, virtualization, desktops, hardware, dan kusnetzky; Blog posts 2008-05-19
News to know: Office 2007 SP1; Microsoft security; KVM vs. Xen; AMD: Notable headlines: Mary Jo Foley: Mark your calendars: Microsoft to push Office 2007 SP1 on June 16 EIC podcast: SAP; JavaOne; AMD, Microhoo Larry Dignan: Microsoft previews three critical bulletins; two for Office Mary Jo Foley: Microsoft shares...; Tags: security, microsoft office 2007, xen, microsoft corp., advanced micro devices inc., microsoft office, office suites, software, larry dignan; Blog posts 2008-05-09
KVM and Xen cofounders engage in war of words: KVM and Xen cofounders engage in war of wordsKVM eh...One has to wander why a company's website that develops a Linux VM runs on Microsoft IIS?http://www.qumranet.com/default.aspor is it only me who is wandering?RE: KVM and Xen cofounders engage in war of wordsGee, What is the big deal? Can we not...; Tags: kvm, xen; Discussion threads 2008-05-08
KVM and Xen cofounders engage in war of words: Xen cofounder and project lead Ian Pratt said predictions about his virtualization hypervisor's demise to the newer kernel-based virtual machine KVM technology are unfounded, a by-product of his competitors' imaginations. "There's no evidence for it. The Xen community is alive and well. Xen is a true...; Tags: linux, hypervisor, linux kernel, xen, kvm, xen community, virtualization, hardware, paula rooney; Blog posts 2008-05-08
Xen makes it easy to checkpoint, restore, and migrate guest domains: If you've decided to deploy and manage a Xen-based environment, you'll need some detailed instructions and advice on best practices. This sample chapter from Running Xen: A Hands-On Guide to the Art of Virtualization explains what you need to know about checkpointing the state of a guest domain and how...; Tags: domain, xen, prentice hall inc., virtualization, storage management, utility computing, hardware, storage; Book chapters 2008-05-08
The ZEN of PlateSpin: The ZEN of PlateSpinEvery Tao and XenI hope Novell fixes PlateSpin to work with Xen. I spent lots of hours and thousands of dollars trying to get P2V images to Xen. It ain't an easy task. It also rebooted a critical server after the image was unsucessfully transferred.When we contacted...; Tags: platespin inc., xen; Discussion threads 2008-03-04
Review: Microsoft's Hyper-V puts VMWare and Linux on notice: Review: Microsoft's Hyper-V puts VMWare and Linux on noticeProven Linux solution VMware Vs MS Windows Garbage HVYou have the rock solid and proven Linux base that is VMWare vs the bug ridden and unreliable Windows base that is Hyper-V. Sorry, but if I'm putting my butt on the line...; Tags: operating systems, xen, vmware inc., hyper-v, microsoft corp., microsoft windows, linux; Discussion threads 2008-02-14
Review: Microsoft's Hyper-V puts VMWare and Linux on notice: After his last foray into the "Linux guy reviews a Microsoft product" space, Jason Perlow is back -- this time to take a look at Microsoft's Hyper-V, the hypervisor-based virtualization solution built into the newly released Windows Server 2008. Although Hyper-V is still in beta and isn't slated to ship...; Tags: hypervisor, disadvantage, operating system, suse linux enterprise server, xen, vmware inc., microsoft corp., virtual machine, news, vmware esx, hyper-v, jason perlow, virtualization, linux, microsoft windows, storage management, utility computing, operating systems, open source, servers, hardware, software, storage, mary jo foley; Blog posts 2008-02-14
Citrix strays far from XenSource's original open source mission: Citrix strays far from XenSource's original open source missionThankfully, XenSource is NOT Xen[url=http://www.xen.org/about/]FYI[/url]Interestingly Zen is not XenIn Novemenber of 2006 the Microsoft Novell marriage forced many of us to re-evaluate where we were going in IT. Zen is one of the Novell products. Another is SUSE Linux which is a...; Tags: zen, xen project, citrix systems inc., xen, xensource inc., xenserver, open source; Discussion threads 2008-02-07
Citrix strays far from XenSource's original open source mission: In 2005, hot new startup XenSource was positioning itself as the open source alternative to VMware and Microsoft Virtual Server. Then came a controversial pact in 2006 between the powers that be at the Palo Alto virtualization software company and Microsoft. The mail goal, XenSource executives...; Tags: citrix systems inc., xen, xensource inc., virtualization, storage management, utility computing, open source, hardware, storage, paula rooney; Blog posts 2008-02-07
Xen and Server Consolidation: Enterprises are witnessing a server sprawl as low cost x86 boxes make their way into datacenters. Application provisioning on dedicated servers and provisioning hardware capacity for peak loads have led to unprecedented server proliferation and abysmally low utilization. Virtualization technology has the potential to play a significant role in enabling...; Tags: provisioning, xen, enterprise, virtualization technology, server consolidation, virtualization, servers, storage management, utility computing, hardware, storage; White papers 2007-12-20
Getting 10 Gb/s From Xen: Safe and Fast Device Access From Unprivileged Domains: The networking performance available to Virtual Machines VMs can be low due to the inefficiencies of transferring network packets between the host domain and guests. This can limit the application-level performance of VMs on a 10 Gb/s network. To improve network performance, the authors have created a "Virtualization aware" smart...; Tags: microsoft access, performance, network, xen, solarflare communications, networking overhead, networking; White papers 2007-12-01