Announcing SD-Fabric 1.0 release

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Charles Chan

Oct 14, 2021, 2:05:16 PM10/14/21
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Hi everyone,

I am delighted to inform you that we just released the first version of SD-Fabric today!

Here's the list of feature we would like to highlight of this release:
  • Fabric connectivity

    • Support single switch, paired-leaves with dual-homing, and leaf-spine topology

    • Bridging, IPv4 routing, ECMP, DHCP relay

    • Redundancy on both control and data plane

  • Switch-based P4-UPF

    • 4G/5G UPF implemented with P4 programmable switches

    • Support downlink buffering for UE idle-mode and handover via microservice

    • Integration with PFCP standard interface

  • Slicing and QoS

    • Data plane support for fabric-wide slicing and QoS using dedicated hardware queues

    • Control plane integration with SD-Core for UPF QoS with single slice (multiple slices in the next release)

    • REST APIs for classification of non-mobile traffic

  • Inband Network Telemetry (INT)

    • INT-XD mode compliant with Telemetry Report Specification v0.5

    • Integrated with Intel DeepInsight

    • Switch INT

      • Support for flow, drop, and queue congestion reports

      • Watchlist and smart filters to reduce the volume of reports

      • Integration with P4-UPF

    • Host INT

      • Experimental implementation based on eBPF

      • Kubernetes CNI-independent, tested with Cilium and Calico

      • Support for flow and drop reports

  • API

    • Drop traffic

    • Pin traffic to specific spine (in a leaf-spine setup)

    • Slicing and QoS for non-mobile traffic

  • Scalability

    • 5K UEs, 10 calls per second with 1 CPU core and 4G RAM per ONOS instance

Full release notes, links to the docker images and helm charts are now available to ONF members on the brand new documentation website we put together:
You can also find a few useful links to get started and keep in touch at:

Charles Chan, Ph.D.
Member of Technical Staff, Open Networking Foundation

Guru Parulkar

Oct 17, 2021, 10:31:21 AM10/17/21
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Charles and Team

Congratulations!! Impressive. 

Denise and Timon — I wish we could promote this more. Maybe Charles and Carmelo can write a blog post and we can share it broadly. 

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