Date: Tue, 3 Nov 2009 14:58:54 +0800 From: glenn Barber <glenbarner@australia.edu> To: freebsd-net@freebsd.org Subject: dummynet dropping too many packets Message-ID: <5794edfe0911022258r25d1ea0cr9d503c36575273f4@mail.gmail.com>
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>Seems to me that spending money on a real packetshaper would be a >better investment than donating to compromise on the free stuff (not >that I'd want to discourage anyone from contributing to FreeBSD >generally). >Your problem is that at high traffic levels you need to reduce traffic >flows, not just delay it as dummynet does. The entire point of traffic >shaping is to smooth out your traffic flows; not to make it so choppy >that you have packets sitting in a transmit queue for 1/2 millisecond >in addition to the dummynet delays. While dummynet may not be dropping >packets, you have packets being dropped in TCP stacks throughout your >customer base, most likely. >Barney Packetshaper? It can't work over 300M/s.
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