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<Title><![CDATA[Xen Introduction]]></Title>
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<PresenterName><![CDATA[Simon Crosby]]></PresenterName>
<PresenterTitle><![CDATA[CTO]]></PresenterTitle>
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<PresenterEmail><![CDATA[info@xensource.com]]></PresenterEmail>
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<Title><![CDATA[Enterprise Grade Open Source Virtualization]]></Title>
<SlideText><![CDATA[Enterprise Grade Open Source Virtualization www.xensource.com Infrastructure Technology Product of the Year Winner: Open Source Initiative of the Year ]]></SlideText>
<Notes><![CDATA[]]></Notes>
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<Title><![CDATA[What’s All the Fuss About?]]></Title>
<SlideText><![CDATA[What’s All the Fuss About? ]]></SlideText>
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<Title><![CDATA[Problem: Success of Scale Out]]></Title>
<SlideText><![CDATA[Problem: Success of Scale Out  One application per server - with      resulting low utilization rates <15%  Inability to scale resources for apps      needing more resources during busy     periods  “OS+app” provisioning model takes a      top-down view of the infrastructure  Expensive to maintain, power, cool  Inflexible Applications & Business Logic Operating System Device Drivers ]]></SlideText>
<Notes><![CDATA[]]></Notes>
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<Title><![CDATA[Along Came Xen]]></Title>
<SlideText><![CDATA[Xen Xen Along Came Xen Applications & Business Logic Operating System Device Drivers  Xen decouples OS software and applications from the underlying hardware  Live Relocation enables a running virtual machine, including all state, to be moved in ~50ms  Virtual servers enable consolidation, improve utilization and lower cost of management Virtual Server ]]></SlideText>
<Notes><![CDATA[So let’s take a look at Xen.  Today, the way you think of your computing systems is that you have your applications, an OS, and some device drivers, all of which are tied to a single piece of hardware. 1) CLICK Then along comes Xen.  Xen is a virtualization software layer (often called a ‘hypervisor”) that, transparently to the OS software and apps, decouples the software from the underlying hardware, turning all the software into a “virtual machine container”.    2) CLICK With this, you get a world of new benefits, including server consolidation, improved utilization, and reduced costs of management. 3) CLICK One of the several valuable functions that Xen enables with this decoupling is “Live Relocation”, which enables you to move the whole VM container from one physical machine to another physical machine in about 50 milliseconds.   This happens without any interruption to the application or OS, which maintain all their state as they are moved, including network, file and database connections.]]></Notes>
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<Title><![CDATA[Xen Catalyzes Virtualization Innovation]]></Title>
<SlideText><![CDATA[Xen Xen Catalyzes Virtualization Innovation Superb performance means it can go into heavy duty production (10x less overhead than other products)  Open Source, so it can be universally improved and adopted  (20 major vendors developing for Xen)  Key to delivery of enterprise goals Lower TCO Increased Utilization Improved Business Continuity Increased flexibility ]]></SlideText>
<Notes><![CDATA[]]></Notes>
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<Title><![CDATA[Xen Delivers Platform Innovation]]></Title>
<SlideText><![CDATA[Xen Delivers Platform Innovation Xen Multi-core Processors &  Hyper-threading  Xen exploits multiple parallel execution    units with up to 32-way SMP workloads  Xen hides complexity from OS Virtualization: Intel VT, AMD Pacifica, IBM Power  Xen exploits hardware virtualization    to run any OS “on the bare metal”  Xen provides fast paravirtualizing I/O  so multiple OSes can share resources Security: Intel LT & AMT, AMD SEM, IBM TPM  Xen exploits platform security    features to deliver components of    Trusted Computing Base  Enables delivery of Multi-Layer   Secure systems ]]></SlideText>
<Notes><![CDATA[]]></Notes>
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<Title><![CDATA[Xen Enhances Enterprise Security]]></Title>
<SlideText><![CDATA[Secure hypervisor layer “insulates” OSs and applications from attack Xen Enhances Enterprise Security Xen  Virtual servers are DoS-proof due to Xen’s superb resource partitioning   Implements enterprise security policy in an OS independent way  Under 50K lines - independently scrutinized by the security community  Foundation for Trusted Computing Base (TCB) with built in TPM support X ]]></SlideText>
<Notes><![CDATA[Let’s say a little bit more about Xen and security.  The vendors contributing code to Xen imagine enhancing existing security solutions.  Xen isn’t meant to replace any security that the OS already provides, but rather to supplement it. CLICK Xen is an additional layer that sits transparently underneath the OS, “attesting” to the security of many of your system’s elements, watching all network traffic, and protecting the OS and applications from attack.  Xen is provably Windows DoS proof.  With Xen running, your Windows machine can’t be brought to its knees, nor can it be used to attack other systems.  Key to offering security functionality is the fact that Xen has been architected from the ground up for best security practices.  Being Open Source and only of small code footprint, the security community, including the NSA and other security agencies, have been able to inspect every line of it.  So Xen itself is bulletproof, and we expect it to be certified Evaluation Assurance Level 4 secure by the end of the it.  Being “blessed” as secure, Intel and IBM (among others) have made Xen integral to their Multi-Level-Secure Architecture initiatives.  So, to finish up with this slide, I won’t be discussing security any more in this presentation, but I hope I’ve explained that, in addition to offering the benefits of resource virtualization through virtual machines, Xen also brings significant security benefits to the enterprise.]]></Notes>
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<Title><![CDATA[Virtualization Before Xen]]></Title>
<SlideText><![CDATA[Virtualization Before Xen Hardware Binary Translation Linux User Apps Windows User Apps Mgt Apps Device Driver Device Driver Device Driver Device Driver Mgt API Existing Virtualization Products  A (typically proprietary) microkernel / OS under your OS  Full virtualization requires binary patching of the OS at runtime  Microkernel contains device drivers  Emulates native chipset, so significant performance overhead  Separate maintenance schedule for microkernel (& drivers) and the virtualized OS (& drivers)  Vulnerable to driver failure  Large code base Microkernel Hypervisor ]]></SlideText>
<Notes><![CDATA[]]></Notes>
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<Title><![CDATA[Inside Xen, and Why it’s so Cool]]></Title>
<SlideText><![CDATA[Inside Xen, and Why it’s so Cool Device Driver Hardware Virtual Hardware API Linux User Apps Windows User Apps Mgt Code Device Driver Mgt API Xen Xen: A Para-virtualizing Hypervisor  Virtualizes (only) the base platform  CPU  MMU & Memory  Low level interrupts  On Intel VT-x, AMD Pacifica, this is    provided by hardware  Small, efficient, trusted code base  Guest OS co-operates with Xen  Near native performance  Supports native Linux device drivers  Separates the driver from the guest  No separate maintenance schedule  Runs on x86_64, IA64, Power 5  Free from your favorite Linux distro and www.getxen.org! Intel VT   AMD Pacifica ]]></SlideText>
<Notes><![CDATA[]]></Notes>
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<Title><![CDATA[Xen 3.0 Community Release]]></Title>
<SlideText><![CDATA[Xen 3.0 Community Release Base Feature Set Up to 32-way SMP guest OSes Supports all OSes via hardware virtualization on Intel® VT processors x86/64 support for both AMD64 and EM64T  PAE support for 32 bit servers with more than 4GB memory Superb performance - typically 0.1% - 5% overhead Runs all OSes (Windows & legacy Linux via Intel® VT)  Other Projects Under Way: Sun Solaris x86 on Xen (Solaris 10 roadmap) IA64 (HP)  Power5 (IBM) SPARC Port (Sun)  ]]></SlideText>
<Notes><![CDATA[]]></Notes>
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<Title><![CDATA[XenSource Leads Xen]]></Title>
<SlideText><![CDATA[XenSource Leads Xen XenSource founder, Ian Pratt, is the Xen project leader XenSource hosts the Xen community XenSource sells commercial virtualization solutions based on Xen XenSource partners with leading platform and software vendors to ensure that enterprises can reap the benefits of secure, efficient open source virtualization ]]></SlideText>
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<Title><![CDATA[Our Open Source Development Partners]]></Title>
<SlideText><![CDATA[Our Open Source Development Partners Hardware Systems Platforms & I/O Operating System and Systems Management * Logos are registered trademarks of their owners ]]></SlideText>
<Notes><![CDATA[]]></Notes>
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<Title><![CDATA[Xen Project Credits]]></Title>
<SlideText><![CDATA[Xen Project Credits Project Lead: 		Ian Pratt, XenSource  Xen/Linux Power 5: 	Jimi Xenidis, IBM Xen/Linux IA64 : 		Dan Magenheimer, HP Linux xen subarch : 	Chris Wright, OSDL VT support: 		Arun Sharma, Intel Pacifica support: 		Thomas Woller, AMD gdbserver support : 	Kip Macy Linux x86_64: 		Jun Nakijima, Intel Xen CPU scheduler : 	Stephan Dieseldorf, CUCL/Dresden shadow pagetables : 	Michael Fetterman, Intel/CUCL core Xen + x86_*: 	Keir Fraser, XenSource tools/libraries: 		Christian Limpach, XenSource Xen 2.0 maintenance: 	Steven Hand, XenSource Documentation : 		Rob Romans, IBM  ]]></SlideText>
<Notes><![CDATA[]]></Notes>
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<Title><![CDATA[Thanks!]]></Title>
<SlideText><![CDATA[Thanks! Contact information:  XenSource, Inc. (650) 798 5900 sales@xensource.com www.xensource.com ]]></SlideText>
<Notes><![CDATA[So thanks for the opportunity to talk to you about Xen and XenSource.  It’ll be my pleasure to take any questions or comments.]]></Notes>
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