HSG-LM: Hybrid-Copy Speculative Guest OS Live Migration without Hypervisor

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Provided by: Association for Computing Machinery
Topic: Hardware
Format: PDF
Current Virtual Machine (VM) live migration mechanisms only focus on providing a high availability service by offering minimal downtime to users. In this paper, the authors present a novel live migration technique called HSG-LM, which also aims to provide short waiting time to whoever is responsible for triggering the VM migration (e.g., the data center administrator). HSG-LM is implemented in the guest OS kernel in order to not rely on the hypervisor throughout the entire migration process. HSG-LM exploits a hybrid strategy that reaps the benefits of both pre-copy and post-copy mechanisms.
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