Telekom Austria and Alcatel-Lucent have announced the successful testing of 400G technology on some of the operator’s existing fibre optic cables.

The test was conducted in February and March this year between Zagreb in Croatia and Ljubljana in Slovenia, and resulted in a four-fold increase in data rates versus 100G tech.

This increased capacity to support growing and dynamic packet-based services is delivered in the most efficient and cost-effective way, the operator said in a statement.

[Read more: Mobile data accounts for only three percent of global data traffic, claims report]

Telekom Austria said high-performance backbone networks play a crucial role in its overall infrastructure, particularly for wholesale customers looking to utilise services such as bank transactions, CRM and SAP systems on a global scale.

As a result, it said it seeks to test technologies as early as possible “to be sure it can make important timely decisions for future network planning” and investments for the coming decades “can be best prepared”.

[Read more: Telekom Austria shifts to VoIP]

Further, 400G transport reduces power requirement by 47 percent and space requirement by 65 percent versus the current 100G technology, the operator added.

“The continuing increase in data volumes in the years to come will require the timely planning of new technologies over long-distance networks. The use of digital services will become increasingly important going forward,” commented Günther Ottendorfer, Chief Technology Officer Telekom Austria Group.

“The smooth transmission of voice telephony, mobile and fixed net internet as well as high-definition cable television is an important precondition to be able to meet the needs of an ever-growing customer base.”

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