Improvement of the Fault Tolerance in IoT Based Positioning Systems by Applying for Redundancy in the Controller Layer. Baghdad Science Journal, Iraq, Baghdad, v. 18, n. 4, p. 1303, 2021. DOI: 10.21123/bsj.2021.18.4.1303. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/4942.. Acesso em: 3 may. 2024.