Key Takeaways Network capacity rose by 5.9 petabits per second in 2025 to meet AI workload demands.400G-enabled routes now link clouds, data centers and metros across 100,000 miles.PCF connects 50 U.S. cities, reaching 97% of business demand with ultra-low latency.Lumen Technologies, Inc. (LUMN) is making major strides in building the backbone for the artificial intelligence (AI)-driven economy, with plans to deploy 34 million new intercity fiber miles by 2028. The company has already delivered millions of ...