Telstra International to Upgrade Subsea Network with 800 Tbps Capacity and AI-Powered Autonomy

Telstra International to Upgrade Subsea Network with 800 Tbps Capacity and AI-Powered Autonomy
Telstra International said it is upgrading its subsea cable infrastructure to over 800 Tbps of total lit capacity, to meet customers’ increasing bandwidth consumption, data centre demands and growth in global backbone networks across key routes, including intra-Asia, Transpacific, and Asia to Australia. The upgraded network utilises the latest optical technology from Infinera and Ciena. The operator said the move was part of its vision to develop a highly autonomous network, aiming to transform customer experiences with a secure, zero-touch infrastructure.

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Telstra’s Vision for International Network

On Tuesday, January 21, 2025, Telstra International, the global arm of the Australian telecommunications and technology company Telstra, unveiled its vision and roadmap for the international network.

Telstra International said it is using Infinera’s solution to cloudify the infrastructure layer with decoupled software and hardware that will significantly increase the available subsea and backhaul capacity while setting the foundation for its plan of developing a highly autonomous network.

“With the scale of our subsea network in the Pacific, this move will better position us to ensure the stability of the world’s digital connectivity,” said Roary Stasko, CEO of Telstra International.

Leveraging AI and ML

As part of this transformation, Telstra is integrating AI, machine learning (ML), and cognitive computing to enable network self-management, with full autonomy expected by 2030. The company said it has already simplified its network architecture by removing legacy platforms and introduced Ciena’s Blue Planet inventory management system to streamline operations.