Arshad, M. J., H. Ahmad, M. Samiullah, and A. Basit. “ISP-BASED MPLS VPN: OVERVIEW, TRAFFIC ENGINEERING SERVICES AND SOLUTIONS”. The Nucleus 51, no. 1 (February 7, 2014): 117–124. Accessed May 5, 2024. http://www.thenucleuspak.org.pk/index.php/Nucleus/article/view/728.