A tutorial on the flexible optical networking paradigm: State of the art, trends, and research challenges

@article{Tomkos2014ATO,
  title={A tutorial on the flexible optical networking paradigm: State of the art, trends, and research challenges},
  author={Ioannis Tomkos and Siamak Azodolmolky and Josep Sol{\'e}-Pareta and Davide Careglio and Eleni Palkopoulou},
  journal={Proceedings of the IEEE},
  year={2014},
  volume={102},
  pages={1317-1337}
}
Rigid fixed-grid wavelength division multiplexing (WDM) optical networks can no longer keep up with the emerging bandwidth-hungry and highly dynamic services in an efficient manner. As the available spectrum in optical fibers becomes occupied and is approaching fundamental limits, the research community has focused on seeking more advanced optical transmission and networking solutions that utilize the available bandwidth more effectively. To this end, the flexible/elastic optical networking… CONTINUE READING
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