@article{sacco2021supporting,  
author={A. {Sacco} and M. {Flocco} and F. {Esposito} and G. {Marchetto}},  
journal={IEEE Transactions on Network and Service Management},   
title={Supporting Sustainable Virtual Network Mutations with Mystique},   
year={2021}, 
volume={18},  
number={3},  
pages={2714--2727},
publisher={IEEE}
}