Over in Japan, Nissho and Infinera have been demonstrating the DTN-X again, showing the ability to provision an 8Tbps pipe made up of those 500Gbps super channel PICs. That would clearly be rather old news, except for the fact that it’s a rough neighborhood.
For 100G DWDM, a rough neighborhood is dispersion-shifted fiber (DSF), especially in the C-Band. As DSF fiber makes up much of Japan’s infrastructure, upgrades to 100G have been problematic. Nissho and Infinera’s 8Tbps demonstration via the C-Band covered 800kms. That’s a far cry from the 2500km in other scenarios of course, but in this case it’s not bad at all.
They also demonstrated 100GbE services provisioned in 100 seconds via the instant bandwidth capabilities they unveiled earlier this month. While they’ve been selling the DTN-X for two quarters now, Infinera is clearly gearing up for battle next year, widening the scope of of the technology to handle more of the legacy fiber out there.
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