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https://hdl.handle.net/10316/100878
Título: | Mitigating Virtualization Failures Through Migration to a Co-Located Hypervisor | Autor: | Cerveira, Frederico Barbosa, Raul Madeira, Henrique |
Palavras-chave: | Cloud computing; dependability; fault injection; fault tolerance; virtualization | Data: | 2021 | Projeto: | FCT Ph.D. Grant SFRH/BD/130601/2017 Grant CISUC-UID/CEC/00326/2020 European Social Fund, through the Regional Operational Program Centro 2020 Autonomic Service Operation (AESOP) Project under Grant P2020-31/SI/2017 AESOP Grant 040004 FCT Grant ECSEL/0018/2019 Electronic Components and Systems for European Leadership (ECSEL) Joint Undertaking (JU) under Grant 876852 JU from the European Union's Horizon 2020 Research and Innovation Programme and Austria, Czech Republic, Germany, Ireland, Italy, Portugal, Spain, Sweden, and Turkey. |
Título da revista, periódico, livro ou evento: | IEEE Access | Volume: | 9 | Resumo: | Many organizations are moving their systems to the cloud, where providers consolidate multiple clients using virtualization, which creates challenges to business-critical applications. Research has shown that hypervisors fail, often causing common-mode failures that may abruptly disrupt dozens of virtual machines simultaneously. We hypothesize and empirically show that a significant percentage of virtual machines affected by a hypervisor failure are capable of continuing execution on a new hypervisor. Supported by this observation, we design a technique for recovering from hypervisor failures through efficient virtual machine migration to a co-located hypervisor, which allows virtual machines to continue executing with minimal downtime and which can be transparently applied to existing applications. We evaluate a proofof-concept implementation using fault injection of hardware and software faults and show that it can recover, on average, 41-46% of all virtual machines, as well as having a mean virtual machine downtime of 3 seconds | URI: | https://hdl.handle.net/10316/100878 | ISSN: | 2169-3536 | DOI: | 10.1109/ACCESS.2021.3098644 | Direitos: | openAccess |
Aparece nas coleções: | I&D CISUC - Artigos em Revistas Internacionais |
Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
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Mitigating_Virtualization_Failures_Through_Migration_to_a_Co-Located_Hypervisor.pdf | 5.8 MB | Adobe PDF | Ver/Abrir |
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