From the magazine: Ciena lays foundation for gigabit era

Coherent optics allows transportation of far more data on the same fibre

Coherent technology is about making the network more adaptive, Mansouri said.
Coherent technology is about making the network more adaptive, Mansouri said.

Enterprises the world over are struggling to cope with new network demands driven by HD video streaming, bandwidth-hungry mobile apps and ever-increasing cloud-based IT applications.

Relief is at hand; the latest innovation in fibre optics, coherent optical technology, represents the industry’s drive to achieve transport speeds of 100G and beyond, delivering terabits of information across a single fibre pair.

As cloud, IoT, video, 5G, Fibre Deep and edge computing continue to create unpredictability and new high bandwidth demands for network operators, coherent technology will continue to play a key role in the network, said Azz-Eddine Mansouri, general manager of sales at Ciena Middle East.

“Coherent technology has already migrated from being a technology for the network core to addressing high bandwidth needs for access, metro, core and data centre interconnect applications,” Mansouri explained.

And coherent technology is not just about adding capacity; it’s about making the network more intelligent, programmable and software-enabled. “In other words, it is about making the network more adaptive,” Mansouri said.

Ciena’s coherent optical technology platform, WaveLogic 5, offers both performance-optimised and footprint-optimised solutions to address divergent networking requirements depending on where coherent solutions are being deployed. 

Performance-optimised solutions are designed to deliver greater fibre capacity with least hardware, while also enabling maximum optical layer automation. The footprint-optimised solutions are designed to fit into a specific form factor and power envelope and extend the scalability and ease-of-use benefits of coherent technology to new access and metro applications such as 5G, fibre deep and edge computing, Mansouri explained.

Adaptive Network

WaveLogic 5 adds new capabilities to Ciena’s Adaptive Network, an architecture that caters to the demand for autonomous networking.

“WaveLogic 5 strengthens our ability to deliver a programmable infrastructure by providing more performance data, scale, tunability and intelligence to the network. The performance data can then be analysed by a network analytics function to identify network optimisation and performance improvement opportunities, and actions taken, with human approval, via a software-based intelligent automation function to make the required changes to the network,” said Mansouri.

5G is just on the horizon, and WaveLogic 5 users can use the platform to accelerate their shift to 5G.  

“WaveLogic 5 helps scale networks in preparation of 5G, whilst streamlining operations and increasing automation to accelerate service delivery,” said Mansouri.

WaveLogic 5 helps scale networks in preparation of 5G

More specifically, with WaveLogic 5 Nano, network providers can efficiently aggregate high bandwidth traffic flows from the 5G towers and transport them to the core of the network where the mobile applications reside. WaveLogic 5 Extreme provides higher levels of performance and programmability so that the network can adjust to changes in traffic patterns often associated with mobile applications, for example, football stadiums where the demand will rise significantly during a game, Mansouri explained. 

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