Ameer Mosa Al-Sadi, Ali Al-Sherbaz, H. F. K. H. K. A.-A. “Evaluating Healthcare System Based SD-WAN Backbone”. International Journal of Advanced Science and Technology, Vol. 29, no. 1, Jan. 2020, pp. 671 -80, http://sersc.org/journals/index.php/IJAST/article/view/3295.