Monica Bhambere, Shilpa Bharam, Sujata Bhange, and Prof. Ujwala Wasankar. “A Survey on Software-Defined Network (SDN): From Concept to Implementation”. International Journal of Advance Research in Engineering, Science & Technology, vol. 2, no. 4, Apr. 2015, pp. 254-5, https://ijarest.org/index.php/ijarest/article/view/84.