From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Subject: Re: network delay simulation Date: Wed, 17 Mar 2004 00:00:48 +0100 Sender: netdev-bounce@oss.sgi.com Message-ID: <20040317000048.10d9f52c.ak@suse.de> References: <20040316151058.3cc2fa28@dell_ss3.pdx.osdl.net> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: davem@redhat.com, netdev@oss.sgi.com Return-path: To: Stephen Hemminger In-Reply-To: <20040316151058.3cc2fa28@dell_ss3.pdx.osdl.net> Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org On Tue, 16 Mar 2004 15:10:58 -0800 Stephen Hemminger wrote: > Still bumming around for how to easily simulate long latencies. > There is NISTnet but that is fugly old 2.2 code; and Dummynet, and hitbox > which are FreeBSD based. The existing traffic shaper might do, but it seems > to be limited to lower speed lines and needs some work (using atomic_set > do own locking for instance). > > Probably "the cowboy way" would be to right a new net/scheduler to just > do FIFO delay. > > Any ideas/comments? Somebody have some code sitting in a drawer? iirc there was a 2.4 port of NistNet. Porting it to 2.6 is probably not that much work. -Andi