@ARTICLE {29906,
author={J. M. Pedro and A. Eira},
doi={10.1007/978-3-030-38085-4_1},
journal={Lecture Notes in Computer Science},
title={Hybrid Backup Resource Optimization for VNF Placement Over Optical Transport Networks},
year={2020},
month={February},
volume={11616},
number={--},
pages={3-14},
ISSN={0302-9743}
}