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Next-generation transport network nodes integrate optical switching of coarse-grained wavelength channels with electrical switching of fine-grained optical channel data units (ODUs). This node design aims at a compromise between improving the wavelength channel fill ratio and maximizing the optical bypass of full or near-full wavelength channels, thereby minimizing transponder requirements. Moreover,...
The increasing traffic demand resulting from the widespread use of information and communication technologies is impelling network operators to upgrade the capacity of their existing transport network facilities. Recent advances in the scientific community have led to the first developments in serial 100 Gb/s technology that could provide an adequate solution for solving the capacity expansion problem...
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