Bandwidth Testing

Charges for bandwidth

Does it make sense for a data center to charge for the bandwidth that is used over a 30 day period? Doesn't it make more sense to look at how much is used at any one time?

Bandwidth Test

We do have a lots of Bandwidth testing sites like http://www.speakeasy.net/speedtest/ where we calculate the download and upload speed. I want to know what is downloaded to our system and what is uploaded to the server and how are the Bandwidth calculated. what needs to be the prerequisite at the...