http://www.techwench.com/input-output-testing-with-iometer/
Although it is far from the most easy to use network utility available to the consumer, with enough practice, it will make for an excellent tool users can make use of for troubleshooting purposes. Its job is to test network performance by monitoring its input and output operations, a phrase which is used to describe the signals and information that the machine both receives and sends, and it offers this service entirely free of charge.
