dummynet queue size relative to bw setting?

2008-05-06 Thread Matthew Pope
Hello, I've been reading about dummynet for 2 weeks, including the seminal ACM paper I'm very impressed. I've configured and run some preliminary simulations that have my colleagues quite interested too. However, I'm finding my delay settings are yielding delays of about two orders of

Re: dummynet queue size relative to bw setting?

2008-05-06 Thread Matthew Pope
I must correct my test parameters: In one of the two pipes, the bw was 4K, not 48K as stated. When I just now moved it up to 48K to match the other pipe size, my ping times plummeted to 129-139ms throughout the Queue sizes listed below, again with Q=120 getting total packet loss. I thought a

Re: dummynet queue size relative to bw setting?

2008-05-06 Thread Luigi Rizzo
On Tue, May 06, 2008 at 03:34:23PM -0400, Matthew Pope wrote: I must correct my test parameters: In one of the two pipes, the bw was 4K, not 48K as stated. When I just now moved it up to 48K to match the other pipe size, my ping times plummeted to 129-139ms throughout the Queue sizes listed