ADSL Bandwidth Monitoring

[RW]

On Sat, 08 Sep 2007 15:27:38 -0500
Tim Daneliuk <tundra at tundraware.com> wrote:

> Amitabh Kant wrote:
> > On 9/8/07, Bahman M. <b.movaqar at adempiere.org> wrote:
> >> I tested the connection by downloading 2~3 files simultaneously
> >> and used 'bmon' as Mel suggested in another reply (thanks to
> >> him).  As I'd already guessed the RX don't get bigger than 30~40%
> >> of the expected bandwidth.  I performed the test with some other
> >> files and there was no difference.
> >>
> >> Thanks,
> >>
> >> Bahman
> > 
> > The bandwidth being advertised by your ISP would be the maximum
> > thoughput allowed on your DSL lines with multiple DSL users sharing
> > the same bandwidth, something that is generally known as contention
> > ratio.
> > 
> > See this link:
> > http://en.wikipedia.org/wiki/Contention_ratio
> > 
> > Amitabh
> 
> But you should be able to hit the advertised bandwidth.  To the best
> of my knowledge, DSL itself is NOT a shared medium.  It is a point-to-
> point technology from your premise to the Central Office.  The
> bandwidth *behind* the CO may be shared, but should be so large
> as to not be a bottleneck.   

It depends on your circumstances. Some people are constrained by
contention ratio some aren't. Some ISPs offer a better ratio for a
more expensive accounts.