Date: Fri, 1 Feb 2002 10:14:42 -0800 (PST) From: Julian Elischer <julian@elischer.org> To: Marko Zec <zec@tel.fer.hr> Cc: freebsd-net@freebsd.org Subject: Re: ng_dummy - netgraph traffic shaping node Message-ID: <Pine.BSF.4.21.0202011012400.67160-100000@InterJet.elischer.org> In-Reply-To: <3C5A9E1E.400F9772@tel.fer.hr>
next in thread | previous in thread | raw e-mail | index | archive | help
hmm interesting... any docs? (we always include a man page when we commit a new node type.) Any comments on netgraph in general On Fri, 1 Feb 2002, Marko Zec wrote: > The result of an innocent netgraph programming exercise can be found at: > > http://www.tel.fer.hr/zec/BSD/ng_dummy/ > > "ng_dummy" is a simple traffic shaper node that implements control of > traffic flow in both upstream and downstream direction. In each > direction, the traffic flows through the sequence of two FIFO-type > queues, which implement different queuing policies. The "inbound" queue > is rate limited, and emulates an interface output buffer. On "outbound" > queue, frames are dequeued based on preconfigured delay, thus emulating > propagation effects on a transmission link. Additional features include > random frame discarding based on BER; and emulation of phantom traffic, > which competes for available bandwidth, and thereby introduces inbound > queue congestions and delay jitter. > > Have fun! > > Marko > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-net" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.BSF.4.21.0202011012400.67160-100000>