2019
DOI: 10.1002/nem.2068
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Beyond VNFM: Filling the gaps of the ETSI VNF manager to fully support VNF life cycle operations

Abstract: One of the main challenges to use network functions virtualization (NFV) is to properly manage the life cycle of the virtualized network functions (VNFs).Current solutions based on the ETSI standard NFV architectural framework are complex and require the knowledge of a myriad of details of the underlying infrastructure. This work proposes a VNF manager (VNFM) specification that supports different platforms and VNF utilization scenarios. The proposed VNFM specification defines a set of APIs, modules, and compon… Show more

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Cited by 8 publications
(3 citation statements)
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References 15 publications
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“…The Network Functions Virtualization (NFV) [19] paradigm allows the implementation of network functions using virtualization technologies. In comparison with hardware alternatives, NFV technology reduces costs and increases flexibility [20]. A Virtualized Network Function (VNF) is the basic NFV unit which processes network traffic applying some specific functionality.…”
Section: Nfv and Service Deploymentmentioning
confidence: 99%
“…The Network Functions Virtualization (NFV) [19] paradigm allows the implementation of network functions using virtualization technologies. In comparison with hardware alternatives, NFV technology reduces costs and increases flexibility [20]. A Virtualized Network Function (VNF) is the basic NFV unit which processes network traffic applying some specific functionality.…”
Section: Nfv and Service Deploymentmentioning
confidence: 99%
“…Each stage involves network costs and energy consumption. The cost of maintaining redundant VNFs is much smaller than that associated with newly added VNFs [32]- [33]. Therefore, we use redundant VNFs to reduce unnecessary stages of creating VNFs.…”
Section: B Proactive Online Algorithmmentioning
confidence: 99%
“…O ciclo de vida envolve ações como a instanciação, atualização e remoção de VNFs. Outras atividades importantes incluem o ajuste automático de recursos computacionais e a detecção e recuperação de VNFs falhas [Venâncio et al 2019]. A arquitetura do NFV-MANO, e em especial o VNFM,é normalmente implementada sobre plataformas de computação em nuvem.…”
Section: Introductionunclassified