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Topic: Xen

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	A moment of Xen: Virtualize Linux to test your apps
		Xen is a virtualization technology available for the Linux™; kernel that lets you enclose and test new upgrades as if running them in the existing environment but without the worries of disturbing the original system.
		Xen is a paravirtualizing VMM (Virtual Machine Monitor), meaning that the operating system is modified in select areas to make calls into the hypervisor, whereas the applications that run on that operating system are unmodified.
		The source code for Xen is available from the project page (see the Resources section for the link), but if you're already running a Linux distribution, you may be able to get Xen from a package update or installation.
	www-128.ibm.com /developerworks/linux/library/l-xen (2178 words)

	Xen (Half-Life) - Wikipedia, the free encyclopedia
		However, given that Xen is comprised of low mass asteroids, it is surprising that there is any appreciable gravitational pull at all, let alone a sufficiently strong pull to retain the breathable atmosphere encountered there.
		The Xen asteroids are home to a wide variety of different plant and animal species, forming a complex ecosystem.
		These are produced by another Xen resident, the Gonarch, a towering 6 m-high four-legged giant that continuously gives birth to infant headcrabs.
	en.wikipedia.org /wiki/Xen_(Half-Life) (999 words)

	NetBSD/xen
		It was first brought to NetBSD by Christian Limpach and committed to the source tree on March 11th, 2004.
		Xen is a virtual machine monitor for x86 that supports execution of multiple guest operating systems with unprecedented levels of performance and resource isolation.
		Manuel Bouyer has continued his work on getting NetBSD to work on Version 3 of the Xen virtual machine monitor over the past few weeks and NetBSD should now be functional on Xen3 [unprivileged domains] with block and network devices.
	www.netbsd.org /Ports/xen (295 words)

	XenSource Products - Xen 3.0 (Site not responding. Last check: 2007-10-11)
		Xen's live relocation capability, combined with its extraordinary performance, have led analysts to pronounce it the first virtualization technology that is capable of being deployed in the heart of the data-center, bringing the benefits of server consolidation and increased utilization to the vast majority of servers in the enterprise.
		Xen is a key enabler in enterprises' aspirations towards a utility-based computing model, in which any server can run any operating system and any application, at any time, with dynamic load balancing of resources both within each server, between the guests, and across servers.
		Xen is, and always will be, open sourced, uniting the industry and the Xen ecosystem to speed the adoption of virtualization in the enterprise.
	www.xensource.com /products/xen/index.html (759 words)

	Xen \| Linux Journal
		Xen plays a key part in that project, allowing users to partition a single machine efficiently to enable multiple independent clients to run their operating systems and applications in an environment.
		Xen is an x86 virtual machine monitor that allows multiple commodity operating systems, such as Linux and MS Windows, to share conventional hardware in a safe and resource-managed fashion.
		Porting an OS to run on Xen is similar to porting the OS to a new hardware platform; however, the process is simplified because the paravirtual machine architecture is very similar to the underlying native hardware.
	www.linuxjournal.com /article/8809 (2247 words)

	LinuxDevCenter.com -- Linux Virtualization with Xen
		Xen has been around for a couple of years: it was originally part of the Xenoserver platform, which aimed to build a public infrastructure for wide-area distributed computing.
		Xen is open source software, released under the terms of the GNU General Public License.
		Of course, the Xen and x86 architecture are really similar, so for the end user and the applications that run on a platform ported to Xen, there is almost no difference.
	www.linuxdevcenter.com /pub/a/linux/2006/01/26/xen.html (1287 words)

	Xen - Wikipedia, the free encyclopedia
		Xen is a free virtual machine monitor for x86, Intel Itanium and PowerPC architectures that enables the execution of multiple guest operating systems on the same computer hardware.
		Xen uses a form of virtualization known as paravirtualization wherein the guest Operating System is modified to use a special hypercall ABI instead of using certain architectural features.
		An example of the latter configuration is the inclusion of Xen in Novell's SLES 10 Linux distribution, or Red Hat's RHEL 5, or Sun Microsystems' Solaris 10.
	en.wikipedia.org /wiki/Xen_(virtual_machine_monitor) (1066 words)

	Xen: Anatomy of an Exiled Angel
		Xen has been practicing witchcraft since he was 11.
		Xen spends most of his time, when he is not writing or working, divided between any number of the stars of this show.
		Xen can be arrogant at times, but he largely means well and forgives imagined slights if you speak to him in calming tones.
	www.xenex.org /profile.php (1075 words)

	FedoraXenQuickstartFC5 - Fedora Project Wiki
		Xen 3.0.0 was released in December of 2005 and is incompatible with guests using the previous Xen 2.0.x releases.
		The Xen facilities in Fedora Core uses VNC to provide a graphical interface that may be accessed from remote systems, as well as the host.
		If the Xen kernel itself has died and the hypervisor has generated an error, there is no way to record the error persistently on the local host.
	fedoraproject.org /wiki/FedoraXenQuickstartFC5 (2527 words)

	Xen Virtualization and Linux Clustering, Part 1 \| Linux Journal
		Xen manages the computer's hardware resources so they are shared effectively among the operating system instances, called domains.
		Xen supports a variety of operating systems, which increases its applicability for running many popular applications on whichever OS you desire.
		Xen currently supports Linux kernels through an approach called paravirtualization in which the operating system is modified to become aware of Xen.
	www.linuxjournal.com /article/8812 (2264 words)

	Xen ups the security ante - vnunet.com (Site not responding. Last check: 2007-10-11)
		The Xen open source virtualisation project has started development of technology that aims to increase the level of security in open source software.
		The offering, dubbed Security Enchanced Xen or XenSE, could increase the level of security for desktop users, Intel researcher Rolf Neubauer told vnunet.com at the Research at Intel Day at the company's headquarters in Santa Clara, California.
		Xen is currently wrapping up development of version 3.0.
	www.vnunet.com /vnunet/news/2137789/xen-ups-security-ante (827 words)

	Xen Community
		The open source Xen hypervisor, originally created by the founders of XenSource, is actively developed by a community composed of the world's best systems developers.
		Xen is set for ubiquitous adoption by major enterprises that see in the Xen developer community a commitment by their key vendors to an industry standard open source hypervisor.
		The Xen project leader is Ian Pratt who, in addition to being a founder of XenSource, is a senior faculty member at the University of Cambridge Computer Laboratory.
	www.xensource.com /xen (217 words)

	user
		Porting an OS to run on Xen is similar to supporting a new hardware platform, however the process is simplified because the para-virtual machine architecture is very similar to the underlying native hardware.
		Xen plays a key part in that, allowing one to efficiently partition a single machine to enable multiple independent clients to run their operating systems and applications in an environment.
		In Xen 3.x the parameter may be specified with a B, K, M or G suffix, representing bytes, kilobytes, megabytes and gigabytes respectively; if no suffix is specified, the parameter defaults to kilobytes.
	tx.downloads.xensource.com /downloads/docs/user (7726 words)

	xen.html
		Xen set up everything starting at 0x1000 and apparently hides the 'hole.' Likewise, when I link at base 0x400000, it leaves the first 4M unmapped and puts everything after that.
		Xen sets the pending bit as soon as the event occurs, regardless of the state of the master enable bit or the event enable bit.
		With the Xen port, it tries to wipe the pagetable pages first, so the Xen cleanup code has to signal to the higher-level code which datapages need to be free first before a particular pagetable page can be released.
	www.o3one.org /xen.html (5646 words)

	Computer Laboratory - Xen virtual machine monitor
		In addition to Linux, members of Xen's user community have contributed or are working on ports to other operating systems such as NetBSD (Christian Limpach), FreeBSD (Kip Macy) and Plan 9 (Ron Minnich).
		A port of Windows XP was developed for an earlier version of Xen, but is not available for release due to licence restrictions.
		XenoServers : the project Xen was originally built for: "building an Open Infrastructure for Global Distributed Computing".
	www.cl.cam.ac.uk /research/srg/netos/xen (349 words)

	Xen and X#: One and the Same
		While Meijer presented a paper on Xen to attendees of the XML 2003 conference in Philadelphia in December, Microsoft has declined repeated requests to discuss the language.
		Xen is described by some as "the hypothetical extension of C#." Others describe Xen as an amalgamation of Microsoft's Common Language Runtime (CLR), XML and SQL programming languages.
		With Xen, Microsoft is working to show that it's possible to feature both SQL tables and XML documents as "first order citizen(s) in an object-oriented language," the paper continues.
	www.microsoft-watch.com /article2/0,4248,1454549,00.asp (1016 words)

	Womens swimwear,one piece swimsuits, womens bathingsuits, Swimming Costumes,unique designer bikinis-thongs
		At Xen womens Swimwear - some say Zen Bikini swimwear, you will find TRUE designer womens bathingsuits, one piece swimsuits.
		Xen Bikini swimwear, and womens one piece swimsuits cater for women of status who are aware of, and active in the promotion of the feminine msytique and those of conservative thought.
		For non English speakers please use terms such as tenue de bain de spectacle historique, les bikinis, le maillot de bain, maillots de bain le femme, tenues de plage bikinis, uniques dans bikinis, les maillots de bain.
	www.xen.co.za (228 words)

	XenFaq - Xen Wiki
		Xen is Open Source, and is released under terms of the GNU General Public License.
		However Xen 3.0 added Intel VT-x support to enable the running of unmodified guest operating systems, including Windows XP and 2003 Server, using hardware virtualization technology.
		Xen currently runs only on the x86 architecture, requiring a "P6" or newer processor (that's any Intel or AMD x86 CPU purchased in the last five years).
	wiki.xensource.com /xenwiki/XenFaq (3316 words)

	David Bagsby Catalog - Xen (Site not responding. Last check: 2007-10-11)
		If you chopped up some Zappa, some Stockhausen, and some ELP with a lawn mower and spliced the tape segments together at random, it would fit right in with XEN.
		XEN would be a welcome addition to your progressive rock library.
		Bonus tracks from dress rehearsals from the very first Xen show also included.
	www.demolitionkitchen.com /bagsby/catalog_xen.html (273 words)

	XenSource tests door to Windows and profits \| The Register (Site not responding. Last check: 2007-10-11)
		The developers behind the Xen partitioning/virtual machine project worked long and hard to boot Windows XP SP2 - instead of Linux or even Solaris x86 - on their software.
		Or as the company puts it, "A Xen 3.0 community release is targeted for availability at the end of the third quarter of this year.
		Xen backers claim its approach to virtual machines consume far less system resources than VMware's approach and that Xen is better able to make use of technology being rolled out by Intel and AMD.
	www.theregister.co.uk /2005/08/24/xensource_windows_tool (838 words)

	Computer Laboratory - Performance
		By requiring operating systems to be ported to run over Xen, machine virtualization can be achieved considerably more efficiently than schemes that rely on trapping faulting instructions or use an interpreter or JIT compiler emulating privileged operating system code.
		Running over Xen, Linux's performance is consistently close to native Linux, the worst case being OSDB-IR, which experiences an 8% slowdown.
		Xen, XenSource and their respective logos are trademarks of XenSource, Inc. in the United States and around the world.
	www.cl.cam.ac.uk /Research/SRG/netos/xen/performance.html (482 words)

	GPLHost:>_ Virtual Private Servers using Xen, Singapore, Florida (USA), Paris (France)
		We use Xen virtualisation system because it's simply the state of the art in virtual hosting.
		With Xen, end users enjoy short cpu, hard drive and network latencies thanks to accurate scheduling (note: this is totaly different from other virtualization technologies like UML, vServer or Virtuozzo).
		As of writting (august 2006), this is the only Xen control panel that has been release that can do such things.
	www.gplhost.com /hosting-vps.html (1524 words)

	Programming with Circles, Triangles and Rectangles
		Although Xen by design doesn't support the entirety of the full XML stack, we believe that our type system and language extensions are rich enough to support many potential scenarios.
		As Xen is statically typed, the type of the embedded expression must be of an "allowable" type (see section The Xen validation rules for more details).
		In this paper we have argued that by generalizing the type system and language syntax, it is possible for a modern object-oriented (circles) language to provide first-class support for manipulating both relational (rectangles) and hierarchical data (triangles) in a sound and statically typed manner.
	www.research.microsoft.com /~emeijer/Papers/XML2003/xml2003.html (6693 words)

	Xen: virtualize Linux to test your apps-build a sandbox to keep your applications separated, safe (Site not responding. Last check: 2007-10-11)
		Xen is a paravirtualization technology available for the Linux kernel that lets you enclose and test new upgrades as if running them in the existing environment but without the worries of disturbing the original system.
		Xen is a paravirtualizing VMM (Virtual Machine Monitor), meaning that the operating system is modified in select areas to make calls into the hypervisor.
		The source code for Xen is available from the project page (see the Resourcessection for the link), but if you're already running a Linux distribution, you may be able to get Xen from a package update or installation.
	www.developers.net /external/552 (1243 words)

	LWN: A look at Xen
		Xen is a "hypervisor," or virtual machine monitor, which can execute several virtual machines on a single piece of hardware.
		Xen requires that a OS be ported to run on Xen's hypervisor, rather than attempting to emulate an x86 virtual machine completely as VMware Workstation does.
		Also, Xen runs only on x86 systems with 686 processors or better, though ports to x86_64 and other processors are in progress.
	lwn.net /Articles/139964 (2211 words)

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