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As one of the most important enabling technologies of cloud computing, virtualization brings to HPC good manageability, online system maintenance, performance isolation and fault isolation. Furthermore, previous study on VMM-bypass I/O that virtualizes OS-bypass networks (e.g. InfiniBand) relieved the worry of performance degradation coming along with virtualization. In this paper, we address the...
As one of the key characteristics of virtualization, live virtual machine (VM) migration provides great benefits for load balancing, power management, fault tolerance and other system maintenance issues in modern clusters and data centers. Although Pre-Copy is a widespread used migration algorithm, it does transfer a lot of duplicated memory image data from source to destination, which results in...
Virtual machine technology can provide high server utilization and service consolidation on an individual physical machine, and gains acceptance in diverse fields. In a growing number of contexts, many situations require high-performance network virtualization. Paravirtualized network system adopts split driver model, and uses dynamic shared memory mechanism for communication between unprivileged...
With virtual machine technology, distributed services deployed in multiple cooperative virtual machines, such as multi-tier Web services, may reside on one physical machine. This situation requires an efficient inter-domain communication channel, and meanwhile transparency and security should be guaranteed, for diverse existing distributed applications are serving on plenty of machines. In this paper,...
The overhead caused by virtualization makes it difficult to apply VM in the applications which require high degrees of both performance isolation and efficiency, such as the high performance computing. In this paper, we present a lightweight virtual machine, named Solo. It simplifies the design of VMM greatly by making most privileged instructions bypass the VMM, except the I/O operations. Solo allows...
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