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Communication Dans Un Congrès Année : 2023

Joint placement, routing and dimensioning at the network edge for energy minimization

Résumé

Thanks to resource virtualization, Physical Network Operators (PNOs) can share their 5G network to multiple Mobile Virtual Network Operators (MVNOs) which can leverage the shared physical infrastructure to deploy their services up to the edge. This allows much more flexibility with respect to the previous generation of cellular networks: MVNO software components can be placed at different locations, can be allocated a certain amount of virtual resources (e.g., bandwidth, CPU cycles), and be reachable via different paths. To the best of our knowledge, strategies to minimize energy consumption while satisfying Service Level Agreements (SLAs) between the PNO and the MVNOs are still largely missing, particularly if it is required to take the nonlinearity of delays into account. To fill this gap, we formulate the problem of joint placement of software components, routing of user requests and resource dimensioning. SLAs are represented in terms of latency and reliability constraints. Via Column Generation, we obtain exact solutions in real-sized networks. Our numerical results show that we can save up to 50% energy in networks with up to 30 nodes compared to the state-of-the-art algorithms, which are focused on placement or resource minimization.
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Dates et versions

hal-04346059 , version 1 (14-12-2023)

Identifiants

Citer

Maxime Elkael, Andrea Araldo, Salvatore d'Oro, Hind Castel-Taleb, Massinissa Ait Aba, et al.. Joint placement, routing and dimensioning at the network edge for energy minimization. IEEE Global Communications Conference (IEEE Globecom), IEEE, Dec 2023, Kuala Lumpur (Malaysia), France. ⟨10.1109/GLOBECOM54140.2023.10437799⟩. ⟨hal-04346059⟩
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