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The nice thing about speedbump is the ability to modulate the impairments. tc cannot do that.

That could be really useful for maybe simulating weather effects on satellite/RF over time?

tc can simulate various network issues: https://man7.org/linux/man-pages/man8/tc-netem.8.html

You could easily build something that could repeatedly call the tc command and feed it different levels of impairment. Doing so to simulate weather is a great idea. If you had a wave-rider buoy measuring wave height every half-second or so, you could even simulate the impairment of an RF connection over water due to waves.

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