Updates from Ciena

4 critical requirements for the next-gen photonic layer
By Paulina Gomez – Today’s market dynamics are making it harder for network providers to effectively compete in an environment where revenue per bit is declining, and network bandwidth requirements are exploding. In the face of these business challenges, network providers are realizing they must evolve and transform their networks towards a more programmable infrastructure that can scale and respond on demand, to meet changing customer expectations and unpredictable traffic requirements.

While coherent optics are a critical element in enabling a programmable optical infrastructure, alone they are not enough to fulfill operators’ requirements for successful network transformation.

So what else is needed?

The photonic layer is the foundation of this programmable infrastructure, leveraging the latest coherent optical technology to deliver maximum scale at the lowest cost per bit. When examining the requirements of metro and long-haul infrastructure applications, including global data center interconnect (DCI) networks, there is a growing need for an agile, resilient and intelligent photonic layer.

This Reconfigurable Add-Drop Multiplexer (ROADM)-based optical foundation leverages flexible, instrumented photonics and Layer 0 software control to scale the network for maximum capacity at the lowest space, power, and cost per bit. more>

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