> I’ve worked at a major ISP, for a decade, and spotting something like this should be so easy to spot MRTG graph, ISP circa 1995. Colorized. See a flat line?

> I’ve worked at a major ISP, for a decade, and spotting something like this should be so easy to spot MRTG graph, ISP circa 1995. Colorized. See a flat line? that's congestion. Now figure out where it is coming from. Sorry, we have been doing this for thirty years so I'm kind of cranky. It is not a rocket science.