V. N. Văn, L. M. Chí, N. Q. Long, and L. Đắc Nhường, “NETWORK VIRTUALIZATION PERFORMANCE ANALYSIS ON OPENSTACK CLOUD COMPUTING INFRASTRUCTURES”, DLU JOS, vol. 6, no. 2, Jun. 2016, doi: 10.37569/DalatUniversity.6.2.35(2016).