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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