** Private ** wrote:
> I'm not sure... but the concept of "we'll slow you down to make it fair if
> we need too" seems inherently a better plan than "we'll track you
> (regardless of how you affect other users) and start quietly charging you if
> you head over a limit".

Quietly is never a good idea. But the thing is that there are applications 
where slowing down equals breaking. Streaming, VoIP etc. can only take that 
much jitter. And why should one not have the option to just pay more and use 
more?


> Time Warner is going to have problems on their hands, I think: they'll need
> to track usage (of course) but I think they'll also be required to provide
> usage data to users.  This really can't be done at the PC level (I've got
> four game systems, five PCs and a PDA sharing my connection) so it'll have
> to be done at the headend.  They'll have to have a mechanism for dealing
> with challenges to their numbers, demands from customers for detailed
> information (your system says I used XXX but I was on vacation all last
> month!)  People will move, and need to be tracked across zones, etc.
>
> It just seems like a logistical nightmare.

It is trivial. All headends (or BBRAS's in the case of a DSL network) support 
RADIUS accounting. Just configure it and at the server you get your accounting 
packets that have a nice set of username, class, bytes in and bytes out at the 
interval you configured. People moving, multiple computers etc. is no problem 
at all because the NAS is aggregating it based on username.

Jochem


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