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Communication Dans Un Congrès Année : 2022

A Robust Monte-Carlo-Based Deep Learning Strategy for Virtual Network Embedding

Résumé

Network slicing is one of the building blocks in Zero Touch Networks. It mainly consists in a dynamic deployment of services in a substrate network. However, the Virtual Network Embedding (VNE) algorithms used generally follow a static mechanism, which results in sub-optimal embedding strategies and less robust decisions. Some reinforcement learning algorithms have been conceived for a dynamic decision, while being time-costly. In this paper, we propose a combination of deep Q-Network and a Monte Carlo (MC) approach. The idea is to learn, using DQN, a distribution of the placement solution, on which a MC-based search technique is applied. This improves the solution space exploration, and achieves a faster convergence of the placement decision, and thus a safer learning. The obtained results show that DQN with only 8 MC iterations achieves up to 44% improvement compared with a baseline First-Fit strategy, and up to 15% compared to a MC strategy.
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Dates et versions

hal-03727967 , version 1 (19-07-2022)

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  • HAL Id : hal-03727967 , version 1

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Ghina Dandachi, Anouar Rkhami, Yassine Hadjadj-Aoul, Abdelkader Outtagarts. A Robust Monte-Carlo-Based Deep Learning Strategy for Virtual Network Embedding. LCN 2022 - 47th IEEE Conference on Local Computer Networks, Sep 2022, Edmonton, Canada. pp.1-8. ⟨hal-03727967⟩
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