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Subsea cable connects Australia and South East Asia

Members of the consortium behind it will share ownership of the spectrum within the cable

Connectivity provided by the cable will include a link-up between Jakarta (above) and Singapore
Connectivity provided by the cable will include a link-up between Jakarta (above) and Singapore

Australia’s Academic and Research Network (AARNet), Google, Indosat Ooredoo, Singtel, SubPartners, and Telstra are entering into an agreement with Alcatel Submarine Networks (ASN) to build a new international subsea cable system that will connect Singapore, Indonesia and Australia.


Once completed, the INDIGO cable system (previously known as APX West & Central) will strengthen links between Australia and the fast-growing South-East Asian markets, providing lower latency and enhanced reliability.


Using today’s coherent optical technology, each of the two-fibre pairs will have a minimum capacity of 18 terabits per second, with the option to increase this capacity in the future.


The system will use a two-fibre pair ‘open cable’ design with spectrum sharing technology. Consortium members will have spectrum ownership providing the ability to independently take advantage of technology advancements and future upgrades as required.


The INDIGO cable system will span approximately 9000km and connect Singapore and Perth, and onwards to Sydney. Within the system, there will be two additional fibre pairs connecting Singapore and Jakarta via a branching unit. The new cable will land in existing facilities in Singapore, Australia, and Indonesia.


“With internet data consumption growing by 70 per cent in Asia last year alone these sorts of investments in international networks are critical for meeting the needs of connected consumers and businesses,” said David Burns, Telstra’s group managing director of global services and international.


“This will be an important piece of technology infrastructure connecting South East Asia and Australia, and follows a number of recent network enhancements Telstra has undertaken to meet growing demand for data and better connectivity from our customers across the Asia Pacific region.”


Alexander Rusli, president director and CEO of Indosat Ooredoo, which is building Indonesia’s leading digital telco, said high-speed network infrastructure availability, both into and out of Indonesia, is important for business and personal consumers in Indonesia to be able to connect to global content.


“We are confident this strong partnership with the consortium will deliver a reliable alternative for ever-growing data traffic,” he said.


Meanwhile, the delivery of secure, reliable and high-speed connectivity between Singapore and Sydney has been the core focus of SubPartners since its inception, explained Bevan Slattery, CEO of SubPartners: “We are delighted to be a part of the INDIGO cable system to finally realise this significant infrastructure project, and provide Australia with a new diverse international route into South East Asia.”


ASN will construct the cable, which is expected to be completed by mid-2019.


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