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- W4377079795 abstract "Network function virtualization enables service providers to flexibly deploy network services. The existing works mainly focus on function placement and capacity allocation without exploring traffic scheduling for service deployment, by adopting a first-in-first-out policy. It introduces inefficiency considering that different services vary in the delay requirements. This paper proposes a service deployment model with priority queuing for both traffic processing and transmission to minimize the deployment cost with satisfying the service delay constraints. We analyze the problem including proving its NP-hardness and the convexity of a subproblem. Based on the analysis, we develop a reinforcement learning-based approach to address the problem in a decomposition manner with a polynomial-time complexity in each episode. Several specific designs are introduced to fit the learning-based approach to the considered deployment problem with priority queueing. The numerical results show that the introduced approach achieves an objective value comparable to the optimal one obtained by brute force search with a computation time 103 times shorter. Compared to a conventional model with the first-in-first-out policy, the proposed model reduces the deployment cost by adopting a more flexible queueing policy." @default.
- W4377079795 created "2023-05-20" @default.
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- W4377079795 date "2023-01-01" @default.
- W4377079795 modified "2023-09-29" @default.
- W4377079795 title "Service Deployment with Priority Queueing for Traffic Processing and Transmission in Network Function Virtualization" @default.
- W4377079795 doi "https://doi.org/10.1109/tnsm.2023.3277735" @default.
- W4377079795 hasPublicationYear "2023" @default.
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