An Exact ILP Formulation for Optimal Wavelength Converter Usage and Placement in WDM Networks

@article{Tran2008AnEI,
  title={An Exact ILP Formulation for Optimal Wavelength Converter Usage and Placement in WDM Networks},
  author={Phuong Nga Tran and Ulrich Killat},
  journal={IEEE GLOBECOM 2008 - 2008 IEEE Global Telecommunications Conference},
  year={2008},
  pages={1-6}
}
In WDM all-optical networks, the use of wavelength converters can increase the wavelength resource efficiency and reduce the blocking probability. However, all-optical wavelength converters are likely to remain costly devices. Moreover, the blocking probability does not decrease linearly with the number of converters. Hence, it is desirable that just a limited amount of wavelength converters are used in the whole network. In this case, a vital question arises: how many converters are enough and… CONTINUE READING

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Dynamic Traffic Grooming in Optical Networks with Wavelength Conversion

IEEE Journal on Selected Areas in Communications • 2007
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