M. Fuentes-Gonzales, M. Catalan-Cid and D. Camps-Mur, "Energy-Efficient CPU Resource Management in DPDK-Based UPFs: Experimental Insights and Strategies," in IEEE Open Journal of the Communications Society, vol. 7, pp. 4731-4746, 2026, doi: 10.1109/OJCOMS.2026.3690785.