What is the projected latency reduction with hollow core fibre?

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Projected Latency Reduction with Hollow Core Fibre

The implementation of hollow core fibre is expected to achieve approximately 30% lower latency compared to traditional fibre optic cables. This advanced fibre technology is a key component in HKT's new 3.2Tbps AI Data Centre Inter-connect (DCI) Superhighway service, designed to facilitate ultra-fast data exchange for AI workloads.
Hollow Core Fibre Utilisation

The advanced hollow core fibre will be deployed on a specific route connecting the Lok Ma Chau Loop and Tseung Kwan O. This strategic placement is part of HKT's initiative to build a network infrastructure capable of supporting the growing demands of AI development and distributed computing resources.
Impact on AI Workloads

This significant reduction in latency is crucial for enabling AI infrastructure providers and institutions to efficiently manage next-generation AI workloads. By minimising delays in data transmission, the network ensures that thousands of GPUs across multiple data centres can operate in sync, thereby reducing the time and cost associated with compute-intensive tasks like AI model training and complex scientific simulations.
Network Upgrade and Future Plans

The 3.2Tbps AI DCI Superhighway, which incorporates the hollow core fibre, represents an upgrade from HKT's previous 800Gbps AI Superhighway. The first phase of this network, linking Lok Ma Chau to Tseung Kwan O, is scheduled for completion by the end of 2026, with plans to extend coverage to the upcoming Sandy Ridge Data Facility Cluster.

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What is the projected latency reduction with hollow core fibre?

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