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Unified Secure Channel

Major Features

  • USC Agent provides proxy and agent functionality on top of all standard protocols supported by the device. It initiates call-home with the controller, maintains live connections with with the controller, acts as a demuxer/muxer for packets with the USC header, and authenticates the controller.
  • USC Plugin is responsible for communication between the controller and the USC agent . It responds to call-home with the controller, maintains live connections with the devices, acts as a muxer/demuxer for packets with the USC header, and provides support for TLS/DTLS.
  • USC Manager handles configurations, high availability, security, monitoring, and clustering support for USC.
  • USC UI is responsible for displaying a graphical user interface representing the state of USC in the OpenDaylight DLUX UI.

USC Channel UI


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Security Considerations

  • USC uses TLS and DTLS to secure the channels. Asymmetric authentication handshake when establishing the channels. Mutual authentication achieved with certificates configured in for both the controller and the device.

Quality Assurance


  • Nothing beyond general Carbon migration requirements.


  • Nothing beyond general Carbon compatibility constraints.

Bugs Fixed

Known Issues

  • 3402 USC features has configuration issues with 3-node cluster environment.


  • Nothing deprecated, EOL.


  • N/A

Release Mechanics

  • Project was on schedule