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Membership Service in a Distributed High Performance Virtual Computing System

Hedayati Goudarzi, Mohammad | 2012

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 42608 (19)
  4. University: Sharif University of Technology
  5. Department: Computer Engineering
  6. Advisor(s): Ghodsi, Mohammad
  7. Abstract:
  8. Today with the development of te?nology, human ?allenges and problems have become even more complicated. In a way that as time went by the need for higher processing power to solve these problems has increased. High performance computers, are a category of computers whi? are used to solve su? problems. In the last two decade, distributed systems have become the most common way of gaining high performance. Here, Virtualization, an old te?nology whi? has revived in the last decade, providing spectacular features like isolation, migration, ease of management and creating opportunities like virtual clusters has proved to facilitate distributed processing. With the improvement of virtualizer’s performance and rea?ing the native execution efficiency, they are now becoming an option to be used in high performance computing area. From another aspect, single system image is a property of distributed systems whi? hides the distributed nature of resources from users and presents a unified, powerful view of the system. Here is the point where we introduce the idea of single image of a hypervisor (a.k.a. virtual ma?ine monitor) in whi? virtual ma?ines would have a view of a powerful hypervisor with a transparent access to distributed resources. ?e first step to provide su? a view is to present a virtualization-aware membership service. Membership service allows aggregation and unified management of resources and provides transparent access to them. Implementing membership service to a?ieve the single hypervisor image is done through the extension of Xen’s communication me?anisms, namely, event ?annel and page grant. With the extension of these me?anisms, Xen would be able to aggregate the remote resources and present an integrated view of them. To validate and evaluate the proposed method for providing single hypervisor image, we used three case studies: remote console, cluster-wide inter virtual ma?ine communication and remote disk. We show that our approa? not only enables aggregation, integrated management of resources and transparent access to them for virtual ma?ines, but also improves the performance of communications in some cases compared to traditional methods
  9. Keywords:
  10. Virtualization ; Xen ; Single Hypervisor Image ; Distributed Event Channel ; Distributed Page Grant ; Distributed Virtual Computing System ; High Performance

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