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Ryu SDN Framework

Ryu SDN Framework is a component-based framework for developers creating network management and control applications.

Place
#20 of 26
Score
5.2
Ryu SDN Framework's website

What Ryu SDN Framework is

Ryu SDN Framework is a component-based framework for developers creating network management and control applications. Its components expose defined APIs, with support for on-premises deployment, a northbound API, and policy segmentation. Ryu manages network devices through OpenFlow, Netconf, and OF-config; its listed protocol support also includes Nicira Extensions, BGP, and Zebra. OpenFlow versions 1.0, 1.2, 1.3, 1.4, and 1.5 are listed. Developers can install the framework with pip or from source. Documentation provides getting-started material, examples, best practices, and a Snort integration guide. The project describes continuous testing with OpenFlow 1.3 and 1.4 switches and includes JSON-scenario tests. Its certification page lists Open vSwitch, LINC, and Allied Telesis x510 and x930 among tested switches. Ryu is free under the Apache 2.0 license, with a development mailing list for questions, suggestions, and patches. The linked repository says the project is not currently maintained and seeks new maintainers.

Good

  • Defined APIs for network applications
  • Supports multiple OpenFlow versions
  • Includes Netconf and OF-config support
  • Snort integration documentation
  • Apache 2.0 licensed

Watch out

  • Project is not currently maintained
  • New maintainers are being sought
  • No free trial is listed

Who it suits

Ryu suits developers building software-defined network management and control applications. It is relevant to teams using its supported protocols and on-premises deployment model.

Verdict

Ryu provides broad protocol coverage and developer-facing components for SDN applications. Its stated maintenance status is a major consideration for any new deployment.

The facts

Each one read from Ryu SDN Framework's own pages, with the date it was checked.

What it does

APIs
Ryu provides software components with well-defined APIs for developers.checked 7 Oct 2026
Audience
The site describes Ryu as a framework for developers creating network management and control applications.checked 7 Oct 2026
Community support
The project lists a development mailing list for questions, suggestions, and patches.checked 7 Oct 2026
Development
Ryu provides components with defined APIs for developers to create network applications.checked 7 Oct 2026
Documentation
The official resources page points to documentation for getting started, examples, and best practices.checked 7 Oct 2026
Installation
The site gives pip and source-code installation instructions.checked 7 Oct 2026
Integrations
The documentation includes a Snort integration guide.checked 7 Oct 2026
License
The project says its code is freely available under the Apache 2.0 license.checked 7 Oct 2026
Maintenance
The linked code repository says Ryu is not currently maintained and asks for new maintainers.checked 7 Oct 2026
Maintenance status
The project repository says Ryu is not currently maintained and is seeking new maintainers.checked 7 Oct 2026
OpenFlow versions
The site lists support for OpenFlow 1.0, 1.2, 1.3, 1.4, 1.5, and Nicira Extensions.checked 7 Oct 2026
Optional dependencies
The repository lists optional packages for OF-Config, NETCONF, BGP speaker SSH console and Zebra protocol service functions.checked 7 Oct 2026
Protocols
Ryu supports OpenFlow, Netconf, and OF-config for managing network devices.checked 7 Oct 2026
Purpose
Ryu is a component-based software-defined networking framework for building network management and control applications.checked 7 Oct 2026
Switch support examples
The certification page lists tested switches including Open vSwitch, LINC and Allied Telesis x510 and x930.checked 7 Oct 2026
Switch testing
The project says it continuously tests with OpenFlow 1.3 and 1.4 switches and includes a test suite with JSON scenarios.checked 7 Oct 2026

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