We've been seeing bits and pieces of 400GE cropping up, but now Telia has decided it's time to go live on a wider scale. Today the international arm of Telia has launched what it bills as the first-of-its-kind full-scale 400GE-ready backbone network.
It's built off of Cisco's NCS5500 routing platform, something they've been using for 100GE throughout 2019. Telia Carrier is, like all backbones, always moving to prepare for the next wave of traffic growth. They'll now be able to scale the underlying components of the network from a gig up to four hundred of them.
It has been a while since 100G grew up, and the next wave of technology has been taking its time in developing a consistent profile. There's never been any doubt that bigger pipes would be needed, it's just that the actual form it would take wasn't originally clear. As with 100G technologies, it is one thing to make it work and another thing to prove the economics, but eventually everything lines up.
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