Baddi, Y. and Cherif El Kettani, M.D. 2022. QoS-VNS-CS: QoS constraints Core Selection Algorithm based on Variable Neighborhood Search Algorithm. International Journal of Communication Networks and Information Security (IJCNIS). 6, 1 (Apr. 2022). DOI:https://doi.org/10.17762/ijcnis.v6i1.454.