How much can colorless, directionless and contentionless (CDC) of ROADM help dynamic lightpath provisioning?

@article{Shen2012HowMC,
  title={How much can colorless, directionless and contentionless (CDC) of ROADM help dynamic lightpath provisioning?},
  author={Gangxiang Shen and Yongcheng Li and Limei Peng},
  journal={OFC/NFOEC},
  year={2012},
  pages={1-3}
}
We evaluate the impact of the colorless, directionless, and contentionless features of ROADM on dynamic lightpath service provisioning. It is found that colorless plays the most significant role in improving lightpath blocking performance.