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Nextgen Networks

Nextgen Group Pty Ltd
Private subsidiary of Vocus
Industry Telecommunications
Founded 2001
Products Wholesale network, fibre network
Services Wholesale network
Owner Vocus Group
Website www.nextgengroup.com.au

Nextgen Networks is a wholely owned subsidiary of Vocus Group, an Australian-based international telecommunications company.

Nextgen's Network is based on a geographically protected national network, with the Brisbane to Melbourne link utilising self-healing SDH two-fibre ring architecture. The Ring System covers Brisbane, Sydney, Canberra and Melbourne and a Flat Ring Link through to Adelaide and Perth as well as covering 70 major and regional population centres along the route. The Network covers a total of 17,000 km.

The Network was constructed in 2002 and cost around $850 million to construct as a Joint Venture of Leighton Contractors ($140m) and Macquarie Bank using state of the art equipment from suppliers such as Lucent and financed by a consortium including Leighton Holdings, Macquarie Bank, National Australia Bank, Deutsche Bank, UBS Capital and WestLB.

Visionstream (another subsidiary of Leightons) constructed the Network consisting of four network loops each with 12 fibre pairs, with each fibre pair capable of 800Gbit/s. The network owners intention was to provide the highest network quality, which led to the use of using many state of the art technologies (at the time).

Lucent supplied the TrueWave RS G655 Fibre developed by Bell Labs to provide high bandwidth capacity and specially designed for long distance DWDM optical cables. Being a Non-zero dispersion shifted fibre it has minimum light dispersion, allowing signals to travel long distances with enough dispersion to prevent crosstalk from adjacent signals. It was built to Australian conditions to prevent against not only rodents but wombats, christmas tree roots and erosion from black soil.


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