
AT&T is planning to launch 400 Gigabit Ethernet business services. A trial is planned for early 2017 across the company's production network.
The 400 Gigabit Ethernet testing will be performed in 3 phases:
Phase 1: Will use optical gear from Coriant to carry a true 400GbE service across a long-distance span of AT&T global backbone from New York to Washington, demonstrating that AT&T’s nationwide software-centric network is...