On Mon, Dec 10, 2007 at 11:22:33AM -0800, Chuck Swiger wrote: > On Dec 10, 2007, at 8:56 AM, rihad wrote: > > Hi, > > > > I'm having a hard time to understand what pipe queues are with > > respect to bandwidth limitation. ipfw(8) and dummynet(4) manuals > > didn't help me much. > > Pipes and queues are two different things; a pipe simulates a network > link, and a queue is used to hold packets which are backlogged because > they are arriving faster than the outbound link (ie, a pipe) can > transmit them. > > > How does dummynet's traffic shaping function? > > It uses a variant of weighted fair queuing.
actually the shaping uses a leaky bucket algorithm. The weighted fair queuing is the queue management scheme used when you have multiple queues attached to the same pipe cheers luigi _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "[EMAIL PROTECTED]"
