An integer encoding grey wolf optimizer for virtual network function placement

Huanlai Xing, Xinyu Zhou, Xinhan Wang, Shouxi Luo, Penglin Dai, Ke Li, Hui Yang

Abstract: Highlights•Study the virtual network function placement problem in a NFV environment.•Propose an integer grey wolf optimizer (IEGWO) with a new wolf position update mechanism.•IEGWO outperforms a number of evolutionary algorithms regarding the solution quality.