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Topic: Pacifica (virtual machine)

	Xen - Wikipedia, the free encyclopedia
		Xen is an open-source virtual machine monitor, or hypervisor, developed by the University of Cambridge.
		Virtual machines are often used by IBM, HP, and others on mainframes and servers.
		Similar technology is used to suspend running virtual machines to disk and switch to another virtual machine, and resume the first virtual machine at a later date.
	en.wikipedia.org /wiki/Xen_(virtual_machine_monitor) (969 words)

	Pacifica - Wikipedia, the free encyclopedia
		Pacifica Radio, a leftist/pacifist radio network in the United States
		Pacifica (virtual machine), the codename for computer virtualization technology from AMD
		Pacifica (journal), a journal published by the Melbourne College of Divinity
	en.wikipedia.org /wiki/Pacifica (135 words)

	Reference.com/Encyclopedia/Xen (virtual machine monitor)
		Xen is an open source virtual machine monitor, developed by the University of Cambridge.
		Virtual machines are often used by IBM and others on their mainframes and servers to extract the most work possible, and to secure the programs by putting them in separate virtual OSs, like a chroot jail but more so.
		Unlike traditional virtual machine monitors, which provide a software-based execution environment exactly like the simulated hardware, Xen requires the porting of guest operating systems to the Xen API.
	www.reference.com /browse/wiki/Xen_%28virtual_machine_monitor%29 (692 words)

	Xen, the Virtual Machine Monitor
		Virtualization is set to become a key requirement for every server in the data center.
		But while today’s virtualization products have allowed enterprises to realize significant benefits in the development, testing and QA of n-tier applications, a very high performance hypervisor is a requirement for production-grade server consolidation and to realize the promise of a more dynamic IT infrastructure.
		Also, the virtualized OS image is much more portable across hardware, since the low levels of the driver and hardware management are modules that run under control of the hypervisor.
	www.intelligentedu.com /xen_the_virtual_machine_monitor.html (2414 words)

	Coming Soon to VMware, Microsoft, and Xen: AMD Virtualization Technology Solves Virtualization Challenges
		In a modern-day virtualization system, such as that offered by VMware server and workstation software, in Microsoft's Virtual PC or Virtual Server, or the open-source Xen virtualization system, a thin layer of software, called the virtual machine manager or hypervisor (both terms are common) runs on the processor.
		Virtual machine technology, as I've described it, has been around for a decade or so—and is solid and mature, with many enterprises using VMMs from VMware, Microsoft, and Xen for desktops, small-business servers and for massive enterprise data centers.
		Once a virtual machine has been defined, the VMM passes control to that virtual machine through the new VMRUN instruction, which saves the VMM processor state, reads the control bits from the VMCB for the appropriate virtual machine, and then begins running the virtual machine's code in standard privileged and user code, as requires.
	www.devx.com /amd/Article/30186?trk=DXRSS_LATEST (1346 words)

	Breaking News--AMD Publishes Pacifica Virtualization Spec
		In terms of the X86 platform, that means Microsoft for Windows; the open source Linux community and the commercial Linux distributors such as Red Hat, Novell, Mandriva, and Turbolinux for Linux; and Sun Microsystems, SCO Group, and the three open source BSDs for their respective variants of Unix.
		Virtual Iron, a new virtualization vendor that gloms together servers into one virtual space (which can then be carved up into dynamic virtual pieces), will also be interested in the Pacifica spec.
		The big payoff, of course, is that instruction set virtualization will be embedded in systems (much as 64-bit processing is today in the X86 market), and that will allow companies and consumers to do more interesting things with their machines, such as run two operating systems at once, side by side.
	www.itjungle.com /breaking/bn052505-story02.html (931 words)

	Virtual Machines as Special class of Operating Systems
		With the future "Pacifica" hardware virtualization features in single-core and dual-core Opterons and Intel creating a version of its "Vanderpool" virtualization hardware features in Xeon and Itanium processors also being made for Pentium 4 processors (this is called "Silvervale" for some reason), both Xen and VMware partitioning software will have hardware-assisted virtual machine partitioning.
		Xen VMM (virtual machine monitor) is an open-source project that is being developed in the computer laboratory of the University of Cambridge, UK.
		Virtualizing Linux with Xen: Xen is a para-virtualization technology available for the Linux kernel that can offer users a chance to enclose and test new upgrades as if running them in the existing environment, but without the worries of disturbing the original system.
	www.softpanorama.org /VM/index.shtml (14210 words)

	[No title]
		Virtual machines have gone from being a means of allowing Mac users to play Minesweeper to being a powerful enterprise tool for testing and deploying new production environments.
		In an attempt to raise its profile in the ever-more-crowded virtual machine landscape, VMware is expected to announce next week that it will be releasing a free version of VMware GSX.
		Server room aside, the biggest growth opportunity for VMware and virtual machines in general is likely to be the desktop.
	arstechnica.com /news.ars/post/20060203-6111.html (396 words)

	AMD Courts ISVs For 'Pacifica'
		Pacifica will be released as a specification next month and is scheduled for inclusion in AMD's client and server processors starting in the first half of 2006.
		Sun Microsystems, through its partnership with Fujitsu, and Intel are also designing virtualization technology in their processors as a way to improve performance without having to increase clock speeds.
		On the x86 side, Pacifica is expected to compete more with Intel's Virtualization Technology (formerly Vanderpool), which is also scheduled for release in 2006.
	www.serverwatch.com /news/print.php/3494206 (446 words)

	Introduction to the Xen Virtual Machine
		The Xen VMM [1] (virtual machine monitor) is an open-source project that is being developed in the computer laboratory of the University of Cambridge, UK.
		Xen with Intel VT or Xen with AMD Pacifica would be competitive with if not superior to other virtualization methods, as well as to native operation.
		The front end driver is a virtual driver in the sense that it does not use specific hardware details; the code resides in drivers/xen, in the sparse tree.
	www.linuxjournal.com /node/8540/print (2226 words)

	Coding Horror: Our Virtual Machine Future
		But Intel has their "vanderpool" technology and AMD has an equivalent in "pacifica"; both promise to radically speed up virtualization via dedicated hardware.
		Virtual PC is effectively free for any developer with an MSDN subscription.
		Also, the more work you do in a virtual machine, the more time-consuming it will be to set up and maintain.
	www.codinghorror.com /blog/archives/000491.html (2586 words)

	Virtual pc, virtual machine and multiple operating system solutions by Parallels, Inc.
		Parallels Workstation 2.0 is the first desktop virtualization solution to include a lightweight hypervisor, a mature technology originally developed in the 1960s to maximize the power of large mainframes.
		Hypervisor technology dramatically improves virtual machine stability, security and performance by using a thin layer of software, inserted between the machine’s hardware and the primary operating system, to directly control some of the host machine’s hardware profiles and resources.
		Optimized for Hardware Virtualization: Parallels Workstation’s lightweight hypervisor fully supports the benefits of next-generation CPUs built on Intel’s VT architecture, and will support AMD Pacifica architecture when it is released to the general public.
	www.parallels.com /en/products/workstation (483 words)

	Virtual Machine Technology \| Going Virtual \| Sep 14, 2005 \| Network Computing
		If you're like us, the answer is, "Very." VM (virtual machine) software can help both ends of the spectrum by letting IT host multiple applications on one server, or build test systems with multiple OSs where we can tinker to our hearts' content.
		The key component in building this abstraction layer is commonly referred to as a VMM (virtual machine monitor) or, sometimes, a hypervisor.
		Virtual PC and Virtual Server are similar to VMware Workstation and VMware GSX Server, respectively, with Virtual PC targeted to individual users and Virtual Server meant for a shared environment or production use.
	www.networkcomputing.com /showitem.jhtml?docid=1618f3 (1428 words)

	AMD prints 'Pacifica' virtualisation spec \| The Register
		AMD has published its 'Pacifica' specification - its answer to Intel's Virtualisation Technology (VT), which is intended to allow a desktop or server to run multiple operating systems simultaneously.
		Think of VT and Pacifica more as technologies to take some of the processing burden off VMware's shoulders rather than a full-scale virtualisation system in its own right.
		Pacifica essentially adds new instructions, such as VMRUN, and a virtual machine data structure, to the x86 core.
	www.theregister.co.uk /2005/05/25/amd_publishes_pacifica (340 words)

	VMware with AMD, Dell, HP, IBM, Intel, Novell, Red Hat and Others to Forge Open Virtualization Standards (Site not responding. Last check: 2007-10-18)
		Expanded ecosystem of virtualization solutions: the availability of open standard virtualization interfaces and the collaborative nature of VMware Community Source is intended to accelerate the availability of new virtualization solutions.
		"Virtualization is a game-changing technology for the data center, and we expect VMware's open collaboration to help foster a broad set of well-integrated commercial solutions for AMD Opteron processor-based systems," said Joe Menard, Corporate Vice President of Software Strategy at AMD.
		Virtual machine formats that enable virtual machine migration and recovery across platforms.
	www.vmware.com /news/releases/community_source.html (2217 words)

	Virtual PC Guy's WebLog : April 2005 - Posts
		This appears to be a bad interaction between Windows file sharing and the Virtual Machine Additions folder sharing client.
		One of the biggest challenges with automating virtual machines today is being able to detect that a virtual machine is at a specific place in execution (like waiting at the Windows login screen).
		A regular question I hear is "How can I stop Virtual PC from storing all of my virtual machines in the 'My Virtual Machines' folder in 'My Documents'?".
	blogs.msdn.com /virtual_pc_guy/archive/2005/04.aspx (976 words)

	AMD Courts ISVs For 'Pacifica'
		The software lets the chip create virtual "partitions" that can isolate several user environments, such as multiple operating systems and applications, as well as improve defenses against viruses or spyware (define).
		Sun Microsystems (Quote, Chart), through its partnership with Fujitsu, and Intel (Quote, Chart) are also designing virtualization technology in their processors as a way to improve performance without having to increase clock speeds.
		AMD said it will use its virtualization software in concert with its Direct Connect architecture, a processor design AMD uses to link the core CPU with the memory controllers and the other I/O circuits without having to use a front side bus (define).
	www.internetnews.com /storage/article.php/3494041 (593 words)

	virtualization.info: AMD unveils virtualization platform Pacifica
		AMD today for the first time publicly disclosed key elements of its “Pacifica” virtualization technology, at the AMD Reviewer’s Day in Austin, Texas.
		Processor virtualization extensions are an important building block for future virtual machine solutions on the Windows platform.”
		“Pacifica,” which will provide users with hardware support to better enhance the flexibility and performance of current solutions, is planned to be available in both client and server processors from AMD in the first half of 2006.
	www.virtualization.info /2005/03/amd-unveils-virtualization-platform.html (536 words)

	Press Releases
		“Pacifica” will help extend AMD's technology leadership when it brings to market technology that is designed to enhance 64-bit server virtualization technologies for x86-based servers, desktops and mobile computers.
		“Pacifica” will extend AMD64 technology with Direct Connect Architecture to enhance the virtualization experience by introducing a new model and features into the processor and memory controller.
		By enabling a platform to efficiently run multiple operating systems and applications in independent partitions, essentially allowing one compute system to function as multiple “virtual” systems, “Pacifica” is designed to provide foundation technologies to deliver IT resource utilization advantages through server consolidation, legacy migration and increased security.
	amd.com /us-en/Corporate/VirtualPressRoom/0,,51_104_543~96162,00.html (760 words)

	[No title]
		The Virtual Server 2006 release, though, will act as a bridge as Microsoft works to shift the work of virtualisation into the Windows platform itself, using a technology known as a hypervisor.
		An individual virtual machine will be able to run powerful multiprocessor work loads — likely as many as eight processors for a single machine.
		Users will be able to store a virtual machine's state on a hard drive, letting a user stop and restart a virtual machine or take "snapshots" of a machine at a particular time.
	bink.nu /Article4852.bink (842 words)

	VMTN Discussion Forums: VMM vs Hypervisor ... (Site not responding. Last check: 2007-10-18)
		VMM most traditionally means Virtual Memory Management, but with the advent of virtual machines, VMM can also refer to "Virtual Machine Management".
		However in VMWARE's Virtualization context, VMM is a portion of the hypervisor.
		The word Hypervisor is a relatively new byproduct of Virtualization software that refers to the layer between the physical hardware and the guest virtual machines.
	www.vmware.com /community/thread.jspa?threadID=20870&tstart=0 (436 words)

	Antimail : New goodies in Virtual Server
		• Users will be able to store a virtual machine's state on a hard drive, letting a user stop and restart a virtual machine or take "snapshots" of a machine at a particular time.
		Also, integration with Hypervisor (CPU support for virtualization from Intel) and Pacifica (same thing from AMD) is on the way.
		This will be able to create point-in-time copies of the whole running state of a virtual machine.
	blogs.msdn.com /adioltean/archive/2005/08/24/455870.aspx (308 words)

	LWN: Introduction to the Xen Virtual Machine (Linux Journal)
		Talking about portable virtual machines and Plan 9, don't forget Inferno and Limbo, which have been recently relicensed under GPL/MIT.
		Let me consider here the main use of a virtual machine in Linux essencialy only as a mean to run MS Windows OSes and apllications.
		The end will be a OS capable of full virtualization, deterministic real-time, with a superior class, isolated, safe and hardened driver model, and capable of transparently running most win32 apps...
	lwn.net /Articles/150043 (1546 words)

	Xen - Psychology Central (Site not responding. Last check: 2007-10-18)
		Virtual machines are often used by IBM, HP, and others on their mainframes and servers to extract the most work possible, and to secure the programs by putting them in separate virtual operating systems, like a chroot jail but more so.
		It can also be used, not just for security or performance reasons, but to run different and incompatible operating systems on the same computer.
		A very brief stoppage of around 60–300 ms is required to perform final synchronisation before the virtual machine begins executing at its final destination, providing an illusion of seamless migration.
	www.grohol.com /psypsych/Xen_%28virtual_machine_monitor%29 (870 words)

	Microsoft Virtual Server 2005 News and Reviews
		But for developers and sys admins testing against specific OS images and doing similar business-oriented tasks, Virtual Server 2005 is the only thing out of Redmond that might make us stray from VMware.
		Network World (October 17, 2005): Microsoft's new virtualization licensing model for its Windows Server System could dramatically lower costs for users and help advance industry efforts to define how software should be licensed as virtualization takes off on corporate networks.
		Computerworld (August 9, 2004): The insurer's cutting-edge virtual server deployment is on track to cut server operating costs by 25 percent.
	www.microsoft.com /windowsserversystem/virtualserver/evaluation/news/default.mspx (825 words)

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