[LINK] Telstra Filtering Wholesale DSL ?

[Alex (Maxious) Sadleir]

Google along with some academic partners have software to help detect
DPI/shaping/filtering and very specifically when it is used against
YouTube.

http://measurementlab.net/measurement-lab-tools#tool2 Java

http://www.youtube.com/my_speed Flash and it'll tell you the results
it's getting for your ISP/city/country. Also a test video with some
diagnostic readouts of speed.


On Thu, Jun 9, 2011 at 8:27 PM, Tom Koltai <tomk at unwired.com.au> wrote:
>
> The following unfortunately, for Com-in-Conf reasons needs to be
> anecdotal (without evidence).
>
> With the purchase of Pipe assets by TPG, and the avalanche of new
> (always on) broadband users, overseas bandwidth appears to becoming
> scarce.
> This is evidenced by the rapidly increasing frequency of error timeouts
> on non-popular Youtube videos, specifically those not included in the
> Akamai CDN.
>
> It would appear that Telstra are utilising Deep Packet Inspection to
> fine tune their lack of overseas connectivity.
> Packets from unwelcome (unprofitable)  protocols would appear to be
> discarded and connection routes are being deliberately flapped.
>
> I first noticed the activity a number of months ago, however, however,
> the timeouts appeared to be random and it wasn't until the timeout
> increases of this week became painfully obvious that I commenced testing
> via a number of protocol streams.
>
> My adhoc (12 brackets of testing for thirty minute periods over five
> days) findings are:
> Continuous activity at over 30 kbps attracts first response activity
> within six minutes (flat line on downstream, upstream unaffected).
> Multiple port connections (over 150) continuously for over 6 minutes
> attracts similar responses.
>
> Whilst I sympathise with Telstra over their need to recover bandwidth
> for their retail customers, it should not be by penalising their
> wholesale customers.
>
> This would appear to be a S52G Trade Practices Matter whereas Telstra
> customers are not being disenfranchised and Telstra's wholesale customer
> network customers are.
> This may result in a scenario where Telstra are forced to refund access
> fees to (Wholesale DSL ISP) customers that are dissatisfied with their
> service levels.
>
> (Happy to nominate Protocols offlist)
>
>
> TomK
>
>
>
>
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