[AusNOG] Telstra ADSL 1 RIM buffer bloat

[Russell Langton]

Hi Michael,
I've sent you an email.

On Sat, Dec 6, 2014 at 2:50 PM, Michael Wheeler <michael at michael-wheeler.org
> wrote:

> Hi guys,
>
> I have a customer that is sitting behind an ADSL 1 RIM in Calliope.
> According to Telstra there are no free ports in both the RIM and the
> Exchange (although copper is available for direct patch to an ADSL 2+
> exchange). There is a lot of congestion and it appears that the RIM or the
> exchange is adding somewhere between 3 or 4 seconds of buffer bloat to the
> connection on upload of around 350k. I've fixed the issue temporarily by
> placing a Mikrotik with a small queue and bandwidth limiting to about 95%
> of the available bandwidth.
>
> Is there anyone I could talk to at Telstra to look into lowering the
> buffers at the RIM or the exchange because 3 seconds of buffered packets is
> just insane and brings everything to a grinding halt.
>
> Kind regards,
>
> mwheeler.
>
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