2020
DOI: 10.1155/2020/4371056
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Proactive VNF Scaling with Heterogeneous Cloud Resources: Fusing Long Short-Term Memory Prediction and Cooperative Allocation

Abstract: Network function virtualization (NFV) is designed to implement network functions by software that replaces proprietary hardware devices in traditional networks. In response to the growing demand of resource-intensive services, for NFV cloud service providers, software-oriented network functions face a number of challenges, such as dynamic deployment of virtual network functions and efficient allocation of multiple resources. This study aims at the dynamic allocation and adjustment of network multiresources and… Show more

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Cited by 2 publications
(4 citation statements)
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“…Proactive works predict future traffic and try to scale network services or VNFs to address these changes. While some works were proposed for dedicated services (Jia et al, 2018;Xu, 2020), we focus on shared services. For shared VNF-based network services, several works have been published.…”
Section: Single-domain Proactive Workmentioning
confidence: 99%
See 1 more Smart Citation
“…Proactive works predict future traffic and try to scale network services or VNFs to address these changes. While some works were proposed for dedicated services (Jia et al, 2018;Xu, 2020), we focus on shared services. For shared VNF-based network services, several works have been published.…”
Section: Single-domain Proactive Workmentioning
confidence: 99%
“…Finally, since administrative domains have different capabilities (e.g. CPU, RAM, bandwidth) the reconfiguration operation for VNF-based network services must consider such resources to ensure functional and non-functional re-quirements (Xu, 2020). Thus, solutions for reconfiguring VNF-based network services with a focus on consistency need to be explored in the NFV context, considering both internal (hidden) and external (observable) events.…”
Section: Service-oriented Architecture Reconfiguration For Network Se...mentioning
confidence: 99%
“…Hence, to figure out the controller assignment problem, the method such as DCAP in [25] can be used for data center, or scheme in [16,27] used for large scale network, but we seek a proactive approach ahead of time. erefore, we use the deep learning to estimate requests for user group based on their historical usage; the details of deep learning can be seen in our previous research [28]. Moreover, inspired by [27], but different from adjusting the facility location, we estimate the aggregate demand and adjust the control domain with the fixed number and location of controllers.…”
Section: Allocation Algorithmmentioning
confidence: 99%
“…We have extracted 290, 148 network flows from the dataset and used TensorFlow to implement the models, and the python package scikit-learn to calculate performance metrics. e detail of deep learning can be seen in our previous research [28]. Same as the setting of [36], here, we set the capacity of each controller as 1800 k flows/s.…”
Section: Experimental Evaluationmentioning
confidence: 99%