NTT joins six Japanese firms as ITU-T standardizes low-latency, energy-efficient network framework for all-photonics networks

• NTT joined six Japanese telecom and equipment peers to coordinate global adoption of All-Photonics Network technology for AI-era communications.
• The group secured ITU-T standardization of Recommendation Y.3335, defining requirements for low-latency, energy-efficient network paths across operators.
• The framework aims to speed multi-operator APN services, targeting lower latency and power use for data-intensive AI and remote sensor workloads.
• Participants plan further joint work at ITU-T on a functional architecture recommendation targeted for October 2028.

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