Joint Minimization of Monitoring Cost and Delay in Overlay Networks: Optimal Policies with a Markovian Approach. - Vaton, Sandrine; Brun, Olivier; Mouchet, Maxime; Belzarena, Pablo; Amigo, Isabel; Prabhu, Balakrishna J.; Chonavel, Thierry (Journal of Network & Systems Management, 2019)