New Zealand ADSL Mailing List


Re: Changes to Telecom ADSL Network

From: Steve Wright <paua_at_quicksilver.net.nz>
Date: 23 Nov 2003 22:34:45 +1300
Message-Id: <1069580082.26911.107.camel@linuxathome.ath.cx>

On Sun, 2003-11-23 at 20:04, Tom Parker wrote:
> Anonymous User <ominona@emailaccount.com> wrote:
>
> >Q. Why can multiple users on one connection now not connect when playing
> >games?
> >A. Telecom is installing new equipment in the network, which handles
> >traffic congestion in a slightly different way than previously.
> >When a traffic burst exceeds the rated capacity of that connection,
> >any overflow data is now queued temporarily and sent as soon as the
> >congestion is cleared - normally within milliseconds.
>
> So isn't this screaming for the application of more intelegent queue
> prioritisation? If you always push game traffic to the front of the queue then
> so long as the game traffic itself is not filling the queue, you would have no
> latency problems?

yes, but users requirements vary so much, it would be difficult to
implement.

If there was a web interface to htb that would be spot on. The only
thing with /that/ is their helpdesk would take a fairly serious hit..

some coughcredit to to telcon for applying /some/ shap^H^H^H^Hpolicing
on their customers' circuits, but htb would be several orders of
magnitude better..

since the bottleneck is the DSL circuit, then tc/htb implemented by the
ISP would totally the ducks nuts. Someone, do it.. put a web interface
on it..

> Is there scope for an ISP to step in with this sort of solution?

damn right..

> I guess they
> would have to shave a bit off the top speed that goes though the telecom rate
> limiter so that it never kicks in.

yes, but not by very much..

> How much would you have to cut it? Would
> gamers trade a few kb/s for better latency?

if it had a web interface per-customer, then you may tune it so it fits
preeee-cisely inside telcons' limiter..

would be good for VoIP too, but don't tell telecon that or they will
coughupgrade their routers again and fsck that too..

/steve

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Received on Sun Nov 23 22:36:13 2003

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