Date: Wed, 22 May 2002 17:42:56 -0400 (EDT) From: John Baldwin <jhb@FreeBSD.org> To: net@FreeBSD.org Subject: Lossless bandwidth limiter on an interface Message-ID: <XFMail.20020522174256.jhb@FreeBSD.org>
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I'm curious: what would be the best method of implementing a bandwith limiter on an interface that is lossless? I'm having to limit UDP with no back channel, so I can't reply on TCP retransmits to make up for packets being dropped. DUMMYNET drops packets that overflow it's queue size so it doesn't seem to work out of the box. Ideally, I would like applications sending packets to the interface to block when the outgoing queue is full. One idea I thought about is trying to use netgraph to implement a network interface that does this limiting and then hands the data off to a real network interface that it is attached to, but I also don't want to have to add netgraph support to a bunch of network drivers to get this to work either. Suggestions? -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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