For a little while now, I’ve noticed that my netsource connection only sucks during the evening, when people are home from work, during which time it’s barely better than dialup. In the very late night and early in the morning, the connection is spectacular and actually comes close to approaching the “2MB DSL” it’s advertised as.
So, to put my theory to the test, I set up a cron job to wget a 1MB file from ftp.heanet.ie twice every hour. I calculated the average of the two hourly downloads and used that for my result.
And, well, the graph speaks for itself. The connection is best at 7AM, and worst at 6PM. At least this gives me some demonstratable proof of what I’m saying when I speak to Netsource about my connection.