Why do some ISP's have bandwidth quotas?

Mon Oct 8 12:18:42 UTC 2007

On 8 Oct 2007, at 13:06, Roland Perry wrote:

> Surely the incumbent doesn't impose a cost on the bandwidth along  
> the local loop - the bottleneck (and cost per gigabyte) is the  
> backhaul from their locally operated DSLAM to the ISP's own network.

Yes, and it's £1,758,693 ($3.5m) PA for a 622Mbit BT Central, (so in  
bandwidth terms, equates to $471/Mbit per month - if the central is  
maxxed out).

(Using $2=£1)