ICT could reduce global carbon emissions by 15%

Briefing: Green ICT

Part 1: Standards and best practices

Keith Dickerson is chair of the International Telecommunication Union's (ITU) working party on information and communications technology (ICT) and climate change.

In a Q&A with Gazettabyte, he discusses how ICT can help reduce emissions in other industries, where the power hot spots are in the network and what the ITU is doing.

"If you benchmark base stations across different countries and different operators, there is a 5:1 difference in their energy consumption"

Keith Dickerson

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DSL: Will phantom channels become real deployments?

Alcatel-Lucent’s Bell Labs has announced it has achieved a data rate of 300 megabits-per-second (Mbps) over 400m using digital subscriber line (DSL) technology. 

Alcatel-Lucent is promoting its DSL Phantom Mode technology as a complement to fibre-to-the-x (FTTx) technology. Operators can use the technology to continue to extend services offerings to existing DSL subscribers as they roll out FTTx over the next decade or more.

But one analyst believes the technology could take years to commercialise and questions whether the announcement is not sending a wrong message to the industry by providing an alternative to fibre.

“The investment required to upgrade DSL is quite small”

Stefaan Vanhastel, Alcatel-Lucent

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