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Data Plane Programming / In-Band Network Telemetry Wiki


The Data Plane Programming (DPP) subtask in the Network Technology Evolution task (Task 1) of the Network Technologies and Services Development work package (WP6) of the GÉANT GN4-3 project is assessing the applicability and usefulness of  DPP technologies in two use cases of interest to the GÉANT NREN community:

  • High precision network monitoring using In-Band Network Telemetry (INT).
  • DDoS detection and mitigation

In-Band Network Telemetry (INT)

The DPP team in GN4-3 WP6 created a distributed testbed for testing an in-house P4 implementation of In-Band Network Telemetry. The tests are designed to provide performance characteristics of the production network and analyse the infrastructure requirements to best gather and visualise the INT data. This testbed doesn’t (and isn’t meant to) mimic exactly how INT technology could be deployed inside GÉANT and NREN production networks, instead, it is targeted at validating INT functionalities and capabilities for advanced monitoring.

Recent summaries:

InfoShare      : Deploying In-band Network Telemetry (INT) on R&E Networks (PDF slides), March 2nd, 2021
                        Video of INT Infoshare 

White Paper :  In-band Network Telemetry Tests in NREN networks


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DDoS detection using data plane Programming

The intermediate results of the data plane programming work on DDoS detection and mitigation were presented at the Performance Management Workshop in March 2020 [download].



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Access to GitHub repositories

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https://github.com/GEANT-DataPlaneProgramming/In_band_telemetry_bvm2

https://github.com/GEANT-DataPlaneProgramming/In_band_telemetry_visualisation