RW wrote:
On Sat, 08 Sep 2007 15:27:38 -0500
Tim Daneliuk <[EMAIL PROTECTED]> wrote:
Amitabh Kant wrote:
On 9/8/07, Bahman M. <[EMAIL PROTECTED]> 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.
I don't understand this. If the actual DSL circuit is point-to-point -
i.e., not shared between the premise and the DSLAM in the CO, just
exactly *where* is the contention occuring? I would think (and could
be wrong) that the only other place would be in the bandwidth behind
the DSLAM - the actual phone network. But this is typically very,
very high capacity stuff, at least here in the US, and I sort of doubt
it couldn't deliver the stated bandwidth.
Not arguing here, just wondering...
--
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Tim Daneliuk [EMAIL PROTECTED]
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