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Submarine cable system project linking India, Malaysia, Singapore unveiled

03 Jul 2026
2 min

Submarine Cable System Initiative

A new submarine cable system connecting India, Malaysia, and Singapore is being developed by a consortium that includes Microsoft, Singtel, Tata Communications, and Lightstorm. This infrastructure project aims to meet the increasing demand for AI and data connectivity across the India-Southeast Asia corridor.

Project Overview

  • Objective: The cable system is designed for hyperscalers and GPU infrastructure providers requiring AI training and inference workloads.
  • Consortium Members: Microsoft, Singtel, Tata Communications, and Lightstorm.
  • Cable Name: I-2SEA.
  • Connectivity: Links India's east coast (Hyderabad and Chennai) with Singapore and Kuala Lumpur, Malaysia.

Technical Details

  • Cable Length: 3,600 km from Singapore to Machilipatnam, with connectivity to Hyderabad.
  • Landing Points in India:
    • Machilipatnam: Provides shortest subsea access to Hyderabad.
    • South Chennai: New diverse landing location.
  • Technical Partners: NEC Corporation as system supplier and ASEAN Cableship (ACPL) for marine installation.

Operational Highlights

  • Readiness: Targeted to be ready-for-service in Q4 2029.
  • Performance: Expected to deliver the fastest transmission on the Singapore/Malaysia–Hyderabad corridor.
  • Network Management: Managed by Lightstorm's SmartNet AI Fabric and Polarin platform.
  • Architecture: Interoperable cable architecture and carrier-neutral landing infrastructure.

Strategic Importance

This system is crucial for connecting AI regions in India, Malaysia, and Singapore through a single, purpose-built network. It is engineered to support the performance and scale required for AI infrastructure, enhancing the strategic connectivity within the region.

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RELATED TERMS

3

I-2SEA

The name of a new submarine cable system being developed to connect India, Malaysia, and Singapore. It is designed to meet the growing demand for AI and data connectivity in the India-Southeast Asia region.

Carrier-Neutral Landing Infrastructure

A type of telecommunications infrastructure at a cable landing station that is not owned or operated by a single telecommunications carrier. This allows multiple carriers to interconnect and exchange traffic, promoting competition and flexibility in the network ecosystem.

Submarine Cable System

A network of cables laid on the seabed to transmit telecommunication signals across oceans and seas. These systems are vital for global internet connectivity, data transfer, and communication infrastructure, enabling high-speed data exchange between continents and regions.

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