GNM has upgraded its CIENA-powered backbone infrastructure from 800G to 1.6T per wavelength on high-capacity routes with growing traffic demand – increasing available capacity without deploying additional fiber.
This upgrade reflects how GNM approaches network evolution: scaling capacity by improving spectral efficiency and maximizing the performance of existing infrastructure.
As AI workloads, cloud platforms, and content-heavy applications continue to drive rapid traffic growth, backbone networks must scale faster than physical fiber can be expanded.
Moving to 1.6T wavelength enables GNM to:
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Scale capacity on existing routes without waiting for new fiber deployment
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Deliver high-capacity services with faster turn-up times
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Improve cost efficiency per bit for large-scale traffic
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Maintain consistent performance under increasing and unpredictable load
This upgrade has been implemented in a production backbone environment, supporting high-volume traffic flows between key network hubs.
Increasing spectral efficiency is one of the most effective ways to scale modern DWDM networks – especially in high-demand corridors where infrastructure expansion is limited or time-consuming.
With this approach, GNM continues to evolve the network in line with their customers’ growth – providing a resilient, high-capacity backbone ready for the next generation of AI-driven and data-intensive applications.
GNM is working closely with Ciena on this evolution and sees strong potential to develop this deployment into a broader industry case – demonstrating how 1.6T optical technology performs under real traffic conditions in a live backbone network.
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