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Virtual machine live migration technology allows a running VM migrates from one physical host to another with no impact on users. As the scale of distributed computing gets larger and larger, hybrid cloud, which is integrated cloud service utilizing both private and public clouds to perform distinct functions within the same organization becomes a hotspot for both academia and industry. Thus, it will...
Operating system (OS) experiments consolidate the understanding of the OS concepts and cultivate good engineering practices. Major challenges, however, including large class sizes, diverse software versions, and timely identification of difficulties from lab reports, hurt teaching quality. To address these, we designed an integrated environment to support OS experiments and automated the release and...
Recent years witness the successful application of Cloud computing. Virtualization plays a key role in cloud computing and greatly facilitates application deployment and migration. Tenants' applications are hosted by virtual machines. The security and safety of user applications receive much attention from academia and industry. However, fault tolerance and availability issues of cloud applications...
Virtual Machine Cluster (VMC) is now widely used to host network applications due to its well scalability and high availability compared to physical cluster. To provide fault tolerance, VMC snapshot is one well known technique, it saves the entire VMC state into stable storage and rollbacks the VM from the latest saved state upon failures. However, due to the large snapshot size as well as numerous...
With the prevalence of virtualization technology, virtual machine networks (VMN) have been widely used in host network applications. To provide fault tolerance and non-stop features to network applications and preserve the network consistency among virtual machines (VM), the distributed snapshot technique of virtual machine networks regains the attention of academia. While existing approaches still...
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