Minero-Muñoz, Marcelino, and Vicente Alarcon-Aquino. “Reconfigurable Path Restoration Schemes for MPLS Networks”. INFOCOMP Journal of Computer Science, vol. 8, no. 2, June 2009, pp. 29-38, https://infocomp.dcc.ufla.br/index.php/infocomp/article/view/258.