BT, Dell EMC Collaborate on SDN-based Disaggregated Switching Trial

BT, Dell EMC Collaborate on SDN-based Disaggregated Switching Trial Image Credit: BT

BT and Dell EMC announced a research collaboration dedicated to exploring a new way of managing network traffic.

The PoC trial, which is taking place at the BT Labs in Adastral Park, Suffolk, will explore how disaggregated switching can create flexible networks which are more responsive to customer needs by using standard open network switches commonly found in data centres, coupled with specialist switching software.

In contrast to the traditional integrated network switches currently used by operators and enterprises around the world, disaggregated switching uses merchant silicon based switching systems combined with either commercially available or open source system software. This represents a significant shift architecturally, applying server-like principles to the delivery of dynamic network services over fixed-line and wireless networks.

BT is evaluating the performance of Dell EMC disaggregated switches against traditional integrated switching hardware to test the performance, economics and programmability of this new, virtualized approach, which is important as customers increasingly require more flexible, agile networks.

Disaggregated switches have several potential advantages over traditional network switches, as they can be managed flexibly using Netconf protocol and YANG models. This makes the entire system inherently programmable and allows the switches to be operated in tandem to provide new network services or make configuration changes rapidly.

BT will work with Dell EMC to look at a number of potential use cases as part of the trial as the company evolves its network strategy to maximise the benefits of SDN (software-defined networks), NFV (network functions virtualization) and programmable silicon. These include the instant activation of Ethernet circuits from a third party (such as an enterprise), and the ability of the system to deliver real-time network operational data.

The platform also has the potential to deliver other programmable use cases such as bandwidth calendaring – flexing the bandwidth of an Ethernet circuit according to customer needs via a predetermined calendar – and delivering network telemetry data to third parties automatically.

Neil J. McRae, Chief Architect, BT
This proof-of-concept trial with Dell EMC will enable us to evaluate the performance of disaggregated switches against traditional integrated network switches, and make informed decisions about the role this kind of solution will play in the dynamic network services of the future. 

Tom Burns, SVP and GM, Dell EMC NEtworking, Enterprise Infrastructure and SP Solutions 
We’re energised and focused on collaborating with BT to drive innovation and help achieve their goals of enhancing network agility, flexibility and programmability to provide the high level of service their customers expect.

Ray is a news editor at The Fast Mode, bringing with him more than 10 years of experience in the wireless industry.

For tips and feedback, email Ray at ray.sharma(at)thefastmode.com, or reach him on LinkedIn @raysharma10, Facebook @1RaySharma

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