ALTQ on a process on the router

Travis H. solinym at gmail.com
Wed Jul 12 23:19:01 UTC 2006


On 7/12/06, Adam Clark <adam.clark at ngv.vic.gov.au> wrote:
> I want to make bittorrent lowest priority traffic.
>
> It's a shame that you cant do inbound queuing, to implement rate
> limiting there.

Deja vu.

While I didn't think about TCP window size modulation, the canonical
answer to this is that there are no queues on inbound packets because
the processor processes them immediately.  Certainly with UDP traffic,
which bittorrent now uses, there's virtually no point.  Dropping the
inbound packets will not help keep your WAN link from saturating,
because they've already passed through it, and apart maybe from ICMP
source quench, there's no mechanism for rate limiting the remote
peers.
-- 
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