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Journal Articles IEEE Transactions on Automation Science and Engineering Year : 2015

Self-Diagnosis technique for Virtual Private Networks combining Bayesian Networks and Case-Based Reasoning

L. Bennacer
  • Function : Author
Yacine Y. Amirat
A. A. Chibani
  • Function : Author
A Mellouk
  • Function : Author
CIR

Abstract

Fault diagnosis is a critical task for operators in the context of e-TOM (enhanced Telecom Operations Map) assurance process. Its purpose is to reduce network maintenance costs and to improve availability, reliability and performance of network services. Although necessary, this operation is complex and requires significant involvement of human expertise. The study of the fundamental properties of fault diagnosis shows that the diagnosis process complexity needs to be addressed using more intelligent and efficient approaches. In this paper, we present a hybrid approach that combines Bayesian networks and case-based reasoning in order to overcome the usual limits of fault diagnosis techniques and to reduce human intervention in this process. The proposed mechanism allows the identification of the root cause with a finer precision and a higher reliability. At the same time, it helps to reduce computation time while taking into account the network dynamicity. Furthermore, a study case is presented to show the feasibility and performance of the proposed approach based on a real-world use case: a virtual private network topology.
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Dates and versions

hal-01538572 , version 1 (13-06-2017)

Identifiers

  • HAL Id : hal-01538572 , version 1

Cite

L. Bennacer, Yacine Y. Amirat, A. A. Chibani, A Mellouk, L. Ciavaglia. Self-Diagnosis technique for Virtual Private Networks combining Bayesian Networks and Case-Based Reasoning. IEEE Transactions on Automation Science and Engineering, 2015, 12 (1), pp.354-366. ⟨hal-01538572⟩

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