On Feb 2, 2021, at 00:34, Douglas Fischer <fischerdoug...@gmail.com> wrote:

Or even know if already there is a solution to that and I'm trying to invent 
the wheel.

Many flow telemetry export implementations on routers/layer3 switches report 
both passed & dropped traffic on a continuous basis for DDoS 
detection/classification/traceback.

It's also possible to combine the detection/classification/traceback & flowspec 
trigger functions.

[Full disclosure: I work for a vendor of such systems.]


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Roland Dobbins <roland.dobb...@netscout.com>

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