Stuart Cheshire, May 1996. (Revised periodically) Years ago David Cheriton at Stanford taught me something that seemed very obvious at the time -- that if you have a network link with low bandwidth then it's an easy matter of putting several in parallel to make a combined link with higher bandwidth, but if you have a network link with bad latency then no amount of money can turn any number of them into a link with good latency. It's now many years later, and this obvious fact seems lost on the most companies making networking hardware and software for the home. I think it's time it was explained again in writing. Imagine you live in a world where the only network connection you can get to your house is a 33kbit/sec modem running over a telephone line. Imagine that this is not enough for your needs. You have a problem. The solution is easy. You can get two telephone lines, and use t...