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Date:      Wed, 9 May 2012 15:23:17 -0400
From:      Zaphod Beeblebrox <zbeeble@gmail.com>
To:        FreeBSD Net <freebsd-net@freebsd.org>
Subject:   Adding CoDel to the stack.
Message-ID:  <CACpH0Meoxk2Evje8iO6f%2BKoZA8z3rYv3v6yyqnAP7OEhSwXM5A@mail.gmail.com>

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I was wondering if anyone had considered adding "CoDel" to the queuing
infrastructure in FreeBSD.  The ACM paper on it is
http://queue.acm.org/detail.cfm?id=2209336 .

The "short" of it is that current TCP behaviour encourages
router/switch buffers to always be "full" and that other solutions
like RED (Random Early Drop) are difficult to configure properly and
thus disfavoured.  This new solution uses completely different factors
to determine what to drop ... and in doing so is a zero-config
solution ---- only needing to know the speed of the link.



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