@ARTICLE{MijumbiComSurTot15, 
author={R. Mijumbi and J. Serrat and J. L. Gorricho and N. Bouten and F. De Turck and R. Boutaba}, 
journal={IEEE Communications Surveys Tutorials}, 
title={Network Function Virtualization: State-of-the-Art and Research Challenges}, 
year={2016}, 
volume={18}, 
number={1}, 
pages={236-262},
}