Re: Why do some ISP's have bandwidth quotas?

["Miquel van Smoorenburg" <miquels () cistron nl>]

In article <312BF2DA-8482-4312-9ACF-6A8DD4621862 () nosignal org>,
Andy Davidson  <andy () nosignal org> wrote:
> 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).

Wow. The pricing of the local incumbent in .NL is public - you
can find everything on www.kpn-wholesale.com. Here is a direct
link to the pdf with wholesale-prices:
http://www.kpn-wholesale.com/content/doc/WBA%20annex%204%20CM%20v1.3.pdf

I guess it's about 50-100 times cheaper, but OTOH, we only put
like ~3000 customers on an STM-4, so we need way more of them.

Mike.