[AusNOG] ADSL2+ line sync data

Geordie Guy elomis at gmail.com
Thu Sep 12 13:08:52 EST 2013


That first link is blocked by our Barracuda filter due to spyware?


On Thu, Sep 12, 2013 at 12:27 PM, Tim March <march.tim at gmail.com> wrote:

>
> Slightly OT, but I had a bunch of DSL issues at my home recently and
> fired up Cacti on my Synology NAS (I think I mentioned this in a post a
> few weeks back...) to graph DSL statistics on a Cisco 867W.
>
> Relevant links if anyone is interested in doing the same thing;
>
> http://www.robdehoog.nl/technology/cacti-on-a-synology-nas-how-to/
>
> http://www.alcatron.net/?p=42
>
>
> http://itknowledgeexchange.techtarget.com/cisco/understanding-cisco-dsl-statistics/
>
>
>
> T.
>
> On 12/09/13 12:17 PM, Paul Brooks wrote:
> > A recent Ofcom (UK) report has a very interesting chart of ADSL2+ line
> speeds:
> >
> > Ofcom Infrastructure Report 2012 Update
> >
> http://stakeholders.ofcom.org.uk/market-data-research/other/telecoms-research/broadband-speeds/infrastructure-report-2012/
> >
> http://stakeholders.ofcom.org.uk/binaries/research/telecoms-research/infrastructure-report/Infrastructure-report2012.pdf
> > Figure 4 on page 11:
> >
> > This chart is effectively the result of the ADSL line-sync/attenuation
> curve
> > combined with the increasing area of circles of increasing radius around
> the
> > exchange - and demonstrates very clearly why so many people get low
> ADSL2+ line
> > speeds.
> > (Exercise for the reader - work out how VDSL2 would be any different)
> >
> > Also scatter-plots of sync-speed with line-length, as per Figure 8 from
> another
> > UK report:
> >
> >
> > Now every DSLAM network operator can put together similar charts - but
> I'm not
> > aware of any stats for Australian networks, apart from the heat maps put
> out by
> > iiNet and the adsl2exchanges.com.au site, which aren't quite what I'm
> looking for.
> >
> > For all you DSLAM operators - I would be very interested in putting
> together
> > similar charts for the Australian networks, to see how our copper loop
> network
> > varies from the UK network. If anyone is willing to share data or
> statistics,
> > I'm very interested in pulling together similar Australian charts - on a
> > non-identified, aggregated, anonymised basis if you wish.
> > Please contact me off-list - thanks.
> >
> > Paul.
> >
> >
> >
> >
> >
> >
> > _______________________________________________
> > AusNOG mailing list
> > AusNOG at lists.ausnog.net
> > http://lists.ausnog.net/mailman/listinfo/ausnog
> >
>
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