I work for a decent sized ISP, and have a customer with a speed question.
A little back story that may or may not help with the question. The customer works for a TV station and as a result he has several constant upload and download streams occuring simultaneously 24 hours a day. He called in complaining that he is only getting 600 down and 2-300 up when performing a speed test to our internal speed test site on a 1gb DIA. From the conversations i have had with him he is uploading about 300-400mb and downloading 200-300mb. The customer is looking to add equipment into his network to increase the amount he is downloading and uploading, and was performing the test to verify he had the bandwidth to support the adds. The question he's posed to me is on a synchronous 1gb circuit should he expect to be able to download 1gb of data while also uploading 1gb of data (creating a theoretical 2gb of data transfer), or is he just given a pipe that allows him either an up or down (or some mix in between) of 1gb of data transfer?
I've always been lead to believe it's the latter. I've talked to two different IT professionals that have done this for a lot longer than I, and was given both answers.
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