Wanqing You and  Kai Qian and  Xi He and  Ying Qian,  Towards Security in Virtualization of SDN.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2014, vol. 92(8). 1479 - 1482
    [viewed 25 May 2020]. Available from: https://publications.waset.org/pdf/9999341.