High-speed intelligent Research and Educational Networks (RENs),  such as the one we’re building as part of the ESnet 6 program, will require a greater ability to understand and manage traffic flows. One research program underway to provide this capability is the High Touch effort,  a programmable, scalable, and expressive hardware and software solution that produces and analyzes per-packet telemetry information with nanosecond-accurate timing. Along with Zhang Liu, Bruce Mah, Yatish Kumar, and Chin Guok, I have just released a presentation for the Proceedings of the 2021 Virtual Meeting on Systems and Network Telemetry and Analytics, describing work underway to create a programmable, very high speed, packet monitoring, and telemetry capability as part of bringing High-Touch to life.

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