From: Kurt Wagner <kwagner@cosy.sbg.ac.at>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] TBF question
Date: Thu, 17 May 2001 13:46:00 +0000 [thread overview]
Message-ID: <marc-lartc-99010688110197@msgid-missing> (raw)
In-Reply-To: <marc-lartc-98982047809726@msgid-missing>
hi,
> TBF uses internal 2 TBF control mechanism. One for the short burst and
> one for a long time control. I think that buffer and limit contols ths
> short burst and rate the long time traffic control. I putted it on my
> TODO list to test it out.
limit is the sum of the bucket size (=burst) and the size of the queue. So
we police the traffic if limit is the same as burst (queue size is zero),
and we shape if limit is larger than burst (queue size larger zero).
rate/burst for the longtime controll, peakrate/mtu for the shorter
timescale (only if you need a upper bound), limit to decide about the
queue lenght. For more details look at...
http://www.cosy.sbg.ac.at/~kwagner/tbf02_kw.ps
That's how I understand TBF. Correct me if I got it wrong.
Kurt
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prev parent reply other threads:[~2001-05-17 13:46 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-05-14 6:07 [LARTC] TBF question Gery Kahn
2001-05-17 7:46 ` Stef Coene
2001-05-17 7:46 ` Stef Coene
2001-05-17 13:46 ` Kurt Wagner [this message]
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