S
Shoe
Flightless Bird
On Tue, 17 Aug 2010 21:06:58 -0500, Char Jackson <none@none.invalid>
wrote:
>On Tue, 17 Aug 2010 15:094 -0500, "David" <someone@somewhere.com>
>wrote:
>
>>There are technical reasons for asymmetric upstream and
>>downstream rates. For cable, the upstream bandwidth on the
>>physical cable line is much greater than the downstream.
>
>Other way around - downstream bandwidth is much greater than upstream
>bandwidth.
>
>>This is fixed and determined by the cable facilities and the
>>amplifiers that power them so whatever portion of the
>>upstream bandwidth (shared by the TV services) the company
>>allocates to data access can be quite large. For DSL, the
>>bandwidth of the line has a certain up + down capacity and
>>the company decides how much goes up and down. This ratio is
>>time consuming to change dynamically (because of training)
>>so it is usually fixed for a certain customer to a smaller
>>upload rate and a greater download rate.
I contacted my ISP - Time Warner RoadRunner - and they said that the
upload speed I found is exactly what the service says it will provide.
Still seems awfully slow, but that's the way it is. Thanks for all
the responses.
wrote:
>On Tue, 17 Aug 2010 15:094 -0500, "David" <someone@somewhere.com>
>wrote:
>
>>There are technical reasons for asymmetric upstream and
>>downstream rates. For cable, the upstream bandwidth on the
>>physical cable line is much greater than the downstream.
>
>Other way around - downstream bandwidth is much greater than upstream
>bandwidth.
>
>>This is fixed and determined by the cable facilities and the
>>amplifiers that power them so whatever portion of the
>>upstream bandwidth (shared by the TV services) the company
>>allocates to data access can be quite large. For DSL, the
>>bandwidth of the line has a certain up + down capacity and
>>the company decides how much goes up and down. This ratio is
>>time consuming to change dynamically (because of training)
>>so it is usually fixed for a certain customer to a smaller
>>upload rate and a greater download rate.
I contacted my ISP - Time Warner RoadRunner - and they said that the
upload speed I found is exactly what the service says it will provide.
Still seems awfully slow, but that's the way it is. Thanks for all
the responses.