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SDN-Enabled Broadband Access (SEBA) is a Reference Design (RD) built by the ONF and CORD community. SEBA is a lightweight platform based on a variant of R-CORD. It supports a multitude of virtualized access technologies at the edge of the carrier network, including PON, G.Fast, and eventually DOCSIS and more. SEBA supports both residential access and wireless backhaul and is optimized such that traffic can run ‘fastpath’ straight through to the backbone without requiring VNF processing on a server. It's built with Kubernetes, high speed, and operationalized with FCAPS and OSS Integration. The latest version of the SEBA RD is v2.0 which you can view here.

You can find the Design Documents for SEBA on Google Drive.

For more information on the component projects included in this platform, see the wiki pages for NEM (Network Edge Mediator) and VOLTHA (Virtual OLT Hardware Abstraction).

SEBA Reference Design Team (RDT)

The individuals who contributed to the creation of the SEBA v2.0 RD

  • Kata Asaka (NTT)
  • Olaf Bonness (Deutsche Telekom)
  • Bora Eliacik (Turk Telekom/Netsia)
  • Burak Gorkemli (Turk Telekom/Netsia)
  • Tomoya Hatano (NTT)
  • Jun-ichi Kani (NTT)
  • Nishimoto Keita (NTT)
  • Mario Kind (Deutsche Telekom)
  • Hans-Joerg Kolbe (Deutsche Telekom)
  • Bjoern Nagel (Deutsche Telekom)
  • Manuel Paul (Deutsche Telekom
  • Cemil Soylu (Turk Telekom/Netsia)

Communication Channels


Documentation for SEBA can be found at  


Interested in participating in SEBA development? Some of the tools we use require you to register for the overarching CORD project, so we suggest you register first and then dig into the rest of the information below. Here are the key tools we use:

We use JIRA to track our progress on tickets. Register for an account to view, comment on, and create issues.

Code repositories: Gerrit (shared with CORD). This repo uses Apache License v 2.0.

To get up and running, check out the Operations and Development Documentation.

We expect all ONF employees, member companies, and participants to abide by our Code of Conduct. If you have any questions or concerns, please notify a member of the ONF team or email

Having trouble getting started? First, reach out to the mailing list or Slack team. If you still have questions or concerns, please email

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