i was poking around in the windows task manager, and i found this cool network throughput graphing thing. so i wanted to see it max out, so i started downloading a 1.8gb image (from the localhost to a remote system). but, much to my surprise, it looked like this:

i count 16 dips, so i divided the 1.8gb into 16 and i got 115mb. then i looked up the mtu of ip, and i knew the mtu of ethernet from my reading, both far smaller than 115mb. and since tcp is connection orientated, it doesn't have an mtu.