TY - JOUR ID - 4899 TI - Survivable controller placement in software defined network JO - AUT Journal of Mathematics and Computing JA - AJMC LA - en SN - 2783-2449 AU - Moradi, Ahmad AU - AbdiSeyedkolaei, Ali AD - Department of Mathematical Sciences, University of Mazandaran, Babolsar, Iran Y1 - 2022 PY - 2022 VL - 3 IS - 2 SP - 185 EP - 192 KW - Controller Placement KW - mixed integer programming KW - Survivablility KW - Software Defined Network DO - 10.22060/ajmc.2022.21706.1100 N2 - One of the problems raised in software defined networks is to deter[1]mine the number and installation location of controllers so that the cost of implementation reduced and survivability of the network against link or node failure increased. Current investigation in SDN imposes full mesh topology in order to connect controllers. This approach while incurring a huge installation cost, dose not carefully incorporate network survivability requirements. In this paper, we improve an existing integer programming approach to a novel model so as to effectively address user defined survivability requirements. Computational results reported also reveals that our models could be solved by state-of-the-art MIP solvers like CPLEX within a reasonable time limit. UR - https://ajmc.aut.ac.ir/article_4899.html L1 - https://ajmc.aut.ac.ir/article_4899_abc518d0b1997382b3a8a62e1b25eca3.pdf ER -