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Xen ATG case study
 

Xen ATG case study

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    Xen ATG case study Xen ATG case study Document Transcript

    • Xen.org Case Study ATG virtualizes over 2,000 remote agency sites“The open source Xen® ATG, the Swedish Horse Racing Totalisator Board, provides thehypervisor gave ATG the people of Sweden with a meaningful leisure activity by usingcritical hardware top-quality trotting and thoroughbred racing as a foundation,independence needed for and applying an innovative and responsible approach to makeour next generation betting on horse racing exciting, entertaining and accessible.betting terminal” ATG is charged with working to ensure that Swedish trotting and thoroughbred racing is carried on in such a way that theJana Persson long-term conditions for the development and geographicalClient Systems distribution of the sport are guaranteed.Architect, ATG The Challenge: Delivering hardware independence for established and future solutionsKEY BENEFITS In 2003, ATG planned to modernize over 2,000 remote personal computers over an extended period of time andDevice Independence needed a cost effective solution that allowed for an evolutionary transition. Moving from OS/2 supported hardwareOpen Source Access to newer Linux machines required application support for OS/2 as well as the ability for OS/2 and Linux machines to co-existCost Efficiency within their network. ATG also needed a comprehensive solution that allowed them to transition their bettingEasy Administration application from an OS/2 dependent program to a new Java, browser based solution. “Virtualization provided us with the most cost effective and scalable solution to continue running our existing betting application on OS/2 while being able to deploy new hardware to our remote sites capable of supporting the latest peripherals,” said Persson. “We also gained the added benefit of simplified hardware update by uploading new Domain U images over our private network and running configuration files to install and launch updated client systems.”
    • Implementing Open Source Xen HypervisorLeveraging the power of virtualization with the industry leading open source Xenhypervisor, ATG deployed new Linux computers to the remote sites that ran OS/2 virtualsessions. “Having an open source solution for virtualization, gave us the freedom andflexibility to make the necessary changes we specifically needed for our solution,” saidPersson. “We also believed that a Linux operating system gave us the best operatingenvironment for virtualizing not just our existing OS/2 applications but also our upcomingJava and service based solutions,” noted Persson.The figure below shows a typical remote agency PC running the new Xen hypervisorsolution during the transition period; Domain 0 is the Xen hypervisor control virtualmachine and Domain U is the OS/2 paravirtualized guest running the current ATG bettingapplications. Dom 0 Dom U (Linux) (OS/2) Xen Hypervisor Dom 0 Dom U (Linux) (Linux) HP Desktop ATG Software AMD Athlon X2 64-bit Xen Hypervisor OS/2 Transitional Phase HP Desktop Digital Eqpmt. AMD Athlon 100 MHZ P4 X2 64-bit Existing Remote Final Phase Agency PCIn the second phase of the project, the OS/2 betting application is partially moved to thenew Java platform capable of running on a new Linux Domain U. In the third phase, allfunctionality and drivers will no longer be running on OS/2 and the OS/2 Domain U will beremoved from the solution.Joining the Open Source Xen Hypervisor ProjectAn additional benefit for ATG is the opportunity to influence the development of the Xenhypervisor by not only using the solution but also developing software for the project.Having the ability to directly influence the Xen hypervisor solution to suit the needs of ATGprovides a unique opportunity for a customer looking to make a product the foundation oftheir infrastructure.About Xen.org. Xen.org is the home of the open source Xen® hypervisor, a fast, secure industry standard codebase for operating system virtualization. Founded and led by Ian Pratt the community benefits from the hundredsof contributors from leading hardware, software, and security vendors. Xen.org is guided by the Xen AdvisoryBoard, which is drawn from key contributors to the project. For more information, visit www.xen.org.