Optical network provider ADVA claims its ‘Spectrum as a Service’ offering will enable fiber operators to slice their spectrum in the same way that MNOs do in their radio frequencies. The firm says there is significant optical spectrum around, which could be traded by its owners and harnessed for various applications. This approach could be added to the increasingly complex patchwork of fixed and mobile network capacity added to the pot through various types of wholesaling, sharing and slicing. All of these innovations are geared to the same challenges – allowing operators of all kinds of networks to fill in coverage and capacity gaps, and top up overall bandwidth and quality of service, to cope with the rising data traffic…