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Telstra to deliver 100Mbps DSL

Telstra has raised the prospect of being able to deliver up to 100Mbps using DSL technologies over its existing copper pair network using a technique known as dynamic spectrum management (DSM), which is just becoming commercially available.

However to achieve its full potential DSM would require every copper pair in a multipair cable to be operated and managed by one DSL operator. The way DSL in Australia operates today each ISP either has total dedicated access to a copper pair (the unbundled local loop or ‘naked DSL’) or else connects that copper pair to its own DSLAM while Telstra, or another operator uses the lower end of its spectrum to deliver a standard telephone service.

Telstra’s chief technology officer, Hugh Bradlow, told Telstra’s investor briefing on 1 November that “In order to be able to support increasing speed demand, we’re working on a range of technology platforms that will allow us to scale into that future world…We’ve got copper solutions, cable solutions and fibre solutions. In the copper environment, we have ADSL2+ covering 57 percent of Australia’s 8.5 million homes, but we’re already working on the next two generations of copper based technology, VDSL2 and dynamic spectrum management, both of which will increase the speeds by doubling, so that the copper technology has the potential to get up to 100Mbps.”

Full Article

Telstra, Internet, Bandwidth, DSL, ADSL

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