[mythtv-users] Per-usage internet billing. WAS: Vote for Miro Integration into MythTV
bill at bbqninja.com
Mon Jan 21 10:15:07 UTC 2008
On 1/21/08, Chris Pinkham <cpinkham at bc2va.org> wrote:
> * On Mon Jan 21, 2008 at 01:08:57PM +1100, Bill Williamson wrote:
> > 2. It costs the provider no more to do 1.5mbit ADSL vs 256kbit ADSL.
> Actually, it does. I'll use simple numbers to make the math easier. Let's
> call them 5 Mbit and 1 Mbit lines.
> Consider an ISP with a 100 Mbit uplink. For simplicity sake, we'll say that
> it costs them $100 a month. That's $1 per 1 Mbit. In a perfect world,
> this ISP does not want to oversubscribe their service, so they decide to sell
> only 100 Mbit of service. That's (100) 1Mbit users or (20) 5Mbit users, or
> some combination in the middle. A 1 Mbit customer can use 1/100th of
> the total uplink and a 5 Mbit customer can use 1/20th of the uplink. So,
> if they can sell only 20 of these 5 Mbit accounts before the pipe is full. If
> they sell only 1 Mbit accounts, then they can sell 100.
You do know that there is not a single ISP in the world that does not
oversubscribe, and typical oversubscription contention is 20 to 1,
If even 20% of users used their full bandwidth 24/7 the network would
die on ANY isp in the world
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