From: Thomas Graf <tgraf@suug.ch>
To: Zhenyu Wu <y030729@njupt.edu.cn>
Cc: linux-kernel@vger.kernel.org
Subject: Re: VQs in Gred!
Date: Wed, 29 Dec 2004 16:49:35 +0100 [thread overview]
Message-ID: <20041229154935.GK32419@postel.suug.ch> (raw)
In-Reply-To: <304306892.28448@njupt.edu.cn>
* Zhenyu Wu <304306892.28448@njupt.edu.cn> 2004-12-29 15:54
> HOW does the Gred schedule packets of differnet priorities?
The packets are all enqueued onto the same queue. Gred is not
about prioritizing but only about dropping, hence once the packet
is enqueued it doesn't make sense to differ anymore. The difference
to normal red is that one can use separate red calculation
parameters per tcindex flow. tcindex is usually set via dsmark/
tcindex with contents of the dscp field. You might want to use a
more aggressive set of parameters for your bulk flows and treat
your interactive flows with more respect.
next prev parent reply other threads:[~2004-12-29 15:49 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-29 7:54 VQs in Gred! Zhenyu Wu
2004-12-29 15:49 ` Thomas Graf [this message]
-- strict thread matches above, loose matches on Subject: below --
2004-12-30 1:36 Zhenyu Wu
2004-12-30 0:58 ` Thomas Graf
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