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by maxmouchet 758 days ago
Additionally, I would not expect such “baseline” changes in the minimum RTT to be due to variation in CPU processing time.

These changes are more typical of a physical path change, as suggested by the author.

CPU/soft processing latency would look more like additive noise.

I give some examples of RTT patterns in this talk: https://ripe77.ripe.net/archives/video/2250/