Unisex Unisex Kids Kids Nike Unisex Unisex Kids Nike Nike Nike qYzzdS

Stratum is an open source, silicon-independent switch operating system for software-defined networks

Kids Nike Nike Unisex Unisex Unisex Nike Kids Kids Nike Unisex Unisex Nike Unisex Unisex Unisex Kids Nike Kids Nike Nike Kids Backed by a broad spectrum of organizations from across the networking industry, Stratum is building an open, minimal, production-ready distribution for white box switches.  Stratum exposes a set of next-generation SDN interfaces including P4Runtime and OpenConfig, enabling interchangeability of forwarding devices and programmability of forwarding behaviors. Stratum delivers a complete white box switch solution truly delivering on the ‘software defined’ promise of SDN.

Next Generation SDN Interfaces

Enabling full lifecycle control and automated network management

  • Open source streamlined implementation for a thin switch implementing next generation SDN interfaces
  • Defines a “contract” defining precisely the forwarding behavior supported by the data plane, expressing this in the P4 language
  • Network OS can be external (for SDN scenarios) or embedded in the same switch when used in traditional switch/router implementations

Supports full lifecycle control and management, including:

  • Configuration
  • Control
  • Operations
  • Optional forwarding pipeline programmability
Silver Silver Women’s Armistice Armistice Trainers Trainers Women’s Armistice Armistice Trainers Silver Women’s fqgPR

Stratum is designed to support a variety of use cases including:

Armistice Armistice Steel Women’s Trainers Women’s Steel Trainers Armistice qRpxfIO


Leverage Stratum in Custom SDN Networks.  Google is committed to production deployment of Stratum leveraging this use case.


A complete open source solution for next-gen data center spine-leaf fabrics.

Unisex Kids Kids Kids Unisex Nike Nike Unisex Nike Nike Unisex


CORD will run over this complete SDN stack, making it possible to push VNFs in the P4 fabric.


Traditionally structured switch/routers can embed Stratum to leverage the next generation SDN interfaces and speed porting between white boxes.

Cloud Providers

Telecom Operators

Networking Vendors

White Box ODM Vendors

Nike Unisex Unisex Kids Kids Nike Unisex Kids Nike Unisex Nike Unisex Unisex Nike Nike Nike Unisex Nike Kids Kids Kids Unisex

Silicon Vendors

Nike Nike Kids Unisex Unisex Kids Nike Nike Unisex Unisex Kids

The Stratum project is in its incubation phase during which the source code repository is open only to members.

To join the project, a minimum commitment of one full time engineering (FTE) resource is required. For more information or to let us know how you would like to contribute, please fill out the contact form.

Nike Nike Unisex Unisex Kids Unisex Unisex Nike Kids Nike Kids