Cooperative Anomaly Detection With Transfer Learning-Based Hidden Markov Model in Virtualized Network Slicing
Cooperative Anomaly Detection With Transfer Learning-Based Hidden Markov Model in Virtualized Network Slicing
复制标题
虚拟化网络切片中基于迁移学习的隐马尔可夫模型的协同异常检测
DOI:
10.1109/lcomm.2019.2923913
复制
发表时间:
2019-06
期刊:
影响因子:
--
通讯作者:
Tang Lun
中科院分区:
文献类型:
--
作者:
Wang Weili;Chen Qianbin;He Xiaoqiang;Tang Lun
Network slicing can partition a shared substrate network into multiple logically isolated virtual networks to support diverse service requirements. However, one anomaly physical node (PN) in substrate networks will cause performance degradation of multiple network slices. To realize the self-organizing management of network slices, a cooperative anomaly detection scheme is designed in this letter through utilizing the transfer learning-based hidden Markov model (TLHMM). The PNs are first classified into four different states. Then, the hidden Markov model (HMM) is used to capture the current states of PNs based on the measurements of virtual nodes (VNs). Finally, according to the learned knowledge of networks and the similarity between PNs, the concept of transfer learning is introduced into HMM to propose a cooperative anomaly detection algorithm. Simulation results demonstrate that the proposed TLHMM-based cooperative anomaly detection algorithm cannot only speed up the learning process, but also achieve an average detection accuracy of more than 90%.
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DOI:
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发表时间:
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期刊:
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