Wednesday, 24 January 2018 08:19

Telstra, Ericsson and Ciena: 'world’s fastest speeds' achieved on Telstra in Melbourne


A successful demonstration of 400Gbps speeds over 61.5 GHz spectrum on Telstra’s transmission network in Melbourne has shown "the highest spectral efficiency per fibre pair ever achieved in a live environment and enables up to 30.4 terabit per second (Tbps) bandwidth".

We're told that this technology "will be introduced as part of the upgrade Telstra is completing across its long haul, metro and regional optical network under the 'Networks for the Future' programme to deliver increased capacity, enhanced resiliency and fully programmable capabilities".

Telstra says it has deployed "the industry’s first fully programmable coherent modem in the world – developed by Ciena".

Promising "up to three times data capacity and enabling up to 60% reduction in power per bit compared to the modem technology currently deployed in the Telstra network", these technologies "also open up the opportunity for more flexibility and dynamic software based control of Telstra’s optical transport network".

What it means is that this technology "gives Telstra the ability to adjust bandwidth in the network in real-time to optimise capacity and fibre investment to meet customer demands".

David Robertson, Telstra's director of IP and Transport Engineering, said: “Over the next five years we forecast traffic on our network will grow by five times. We are investing in our network and developing these innovations to meet this growing demand by providing unprecedented levels of scale, automation and intelligence.

"This technology will be deployed in our domestic transmission network and we will look for opportunities to use it in Telstra’s international subsea cable network, which is the largest in the Asia-Pacific region.”

Emilio Romeo, Ericsson A/NZ head, said: “We are proud to be supporting our long-term partner Telstra with end-to-end systems integration expertise to deliver innovative solutions that will ultimately improve overall efficiency of the network.

"Deployment of these technologies will help Telstra to prepare for the ever-increasing demand for data. This will give Telstra the ability to predict and address connectivity and capacity challenges as they emerge, enabling them to respond and allocate capacity across paths in real time.”

The telco-oriented trio said the achievement "enables up to 30.4 Tbps per fibre pair – which is the equivalent to 1.2 million 4K Ultra HD videos being streamed simultaneously, the most capacity ever achieved, with the previous highest on record being 25.6 Tbps."

How is it made possible?

Through the deployment of "software programmable 400Gbps wavelengths using Ciena’s WaveLogic Ai modem technology on the 6500 Packet-Optical Platform, in combination with Ciena’s Blue Planet Manage Control Plan (MCP) and Liquid Spectrum applications".

Steve Alexander, Ciena chief technology officer, said, “As high-bandwidth applications become further ingrained in our daily lives, the implementation of a more intelligent and adaptive network — one that lets operators eliminate complexity by combining intelligent automation, real-time performance monitoring, and the ability to continuously tune their network — is critical.

"These accomplishments will prepare Telstra’s network to better respond to customer demands.”

We're informed this achievement will "lay the foundation for Telstra’s Networks for the Future programme delivering efficiency, scalability and programmability to the network to meet future demands".

More info provided to us about the technology and implementation:

  • WaveLogic Ai is the industry’s first fully programmable coherent modem, with tunable capacity up to 400Gbps, that delivers maximum network performance at minimum cost.
  • The state-of-the-art technology is managed and controlled by Ciena’s Blue Planet MCP domain controller and Liquid Spectrum applications. 
  • Liquid Spectrum provides a software-defined platform that will allow networks to predict and address connectivity and capacity challenges as they emerge.
  • Ericsson provides end-to-end systems integration to supply, install, and integrate the next generation of optical equipment into Telstra’s transmission network and managed the deployment of technology for this demonstration, together with Telstra and Ciena.

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Now’s the Time for 400G Migration

The optical fibre community is anxiously awaiting the benefits that 400G capacity per wavelength will bring to existing and future fibre optic networks.

Nearly every business wants to leverage the latest in digital offerings to remain competitive in their respective markets and to provide support for fast and ever-increasing demands for data capacity. 400G is the answer.

Initial challenges are associated with supporting such project and upgrades to fulfil the promise of higher-capacity transport.

The foundation of optical networking infrastructure includes coherent optical transceivers and digital signal processing (DSP), mux/demux, ROADM, and optical amplifiers, all of which must be able to support 400G capacity.

With today’s proprietary power-hungry and high cost transceivers and DSP, how is migration to 400G networks going to be a viable option?

PacketLight's next-generation standardised solutions may be the answer. Click below to read the full article.


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If you wish to promote a Webinar we recommend at least a 2 week campaign prior to your event.

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Alex Zaharov-Reutt

One of Australia’s best-known technology journalists and consumer tech experts, Alex has appeared in his capacity as technology expert on all of Australia’s free-to-air and pay TV networks on all the major news and current affairs programs, on commercial and public radio, and technology, lifestyle and reality TV shows. Visit Alex at Twitter here.

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