SDN FEATURE NEWS

GEANT Demonstrates at-scale Multi-layer SDN Controlled Network with Corsa Technologies

By Michael Guta June 16, 2016

Network operators are always pushing the limits of their infrastructure to increase the amount of traffic they can transport. With smartphones, cloud services, on demand content, the Internet of Things (IoT) and many other technologies that rely on networks, their pursuit of this goal is a must if they want to remain relevant. Software defined networking (SDN) has introduced new levels of efficiency, but multi-layer SDN is the next evolution for transporting services over the most efficient technology instead of predefined systems.

The demonstration by GÉANT, a collaborative organization of network and related infrastructure and services in Europe, just demonstrated at-scale multi-layer SDN controlled network with the Corsa DP2000 series, an open programmable switching and routing platform capable of delivering 10G and 100G subscriber-level networking,

“The DP2000 series is the first switching and routing platform to offer open programmable networking on a platform where you can dynamically slice a single physical switch into virtualized line-rate switching and routing instances that can support 100G of throughput. What compute has been doing for years, we now make possible at the core of the communications network,” said Bruce Gregory, CEO of Corsa Technology.

With multi-layer SDN, engineers can use controllers to centralize programmability across both packet and optical layers for a more efficient WAN. As the Internet continues to add more connectivity, which will number in the tens of billions when the IoT is fully deployed, it will become a critical feature.

Operators can now see the possibility of on-demand services and real-time network tuning across a backbone.

Corsa Technology produces networking equipment with WAN-scale open, programmable SDN hardware platforms with true virtualization and programmable traffic management and line-rate per-flow forwarding at internet scale.

The company has designed the Corsa DP2000 to give network architects and operators the ability to dynamically partition hardware into independent virtual SDN switches or routers always operating at line-rate regardless of the defined throughput of the virtual forwarding context (VFC). What this means for network operators is, they can adjust traffic paths so everyone that needs access gets the right amount of bandwidth and throughput. 

The platform also provides real-time network insight with per flow statistics for all traffic with granular level to enable predictive traffic management and security.

The DP2000 can scale from 100G to 2400G (or 2.4T) of throughput, which allows it to handle the most demanding current and future network deployments.

In addressing the success of the demonstration, Steve Cotter, GÉANT CEO, said, "The ongoing challenge for GÉANT and Europe's NRENs is to continue delivering vital production network services to over 50 million users, whilst pushing the envelope in terms of network evolution to continually increase both the value and capability of the network,. Innovations such as this are absolutely key to achieving that challenge."




Edited by Stefania Viscusi

Contributing Writer

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