[Cake] dual-src/dsthost unfairness, only with bi-directional traffic

Pete Heist pete at heistp.net
Wed Jan 16 02:58:54 EST 2019


Thanks for working on it, looks promising! I’d be interested in hearing some more feedback if this is the right approach, but it looks like it from the experiments. I should be able to put some more testing time into it in a few days...

> On Jan 16, 2019, at 4:47 AM, <gamanakis at gmail.com> <gamanakis at gmail.com> wrote:
> 
> Of course I pasted the results for IP1 and IP2 the wrong way. Sorry!
> These are the correct results, along with the *.flent.gz files.
> 
> IP1: 
> flent -H 192.168.1.2 tcp_8down &
> Data file written to ./tcp_8down-2019-01-15T223703.709305.flent.gz.
> Summary of tcp_8down test run at 2019-01-16 03:37:03.709305:
> 
>                             avg       median          # data pts
> Ping (ms) ICMP   :         0.78         0.72 ms              342
> TCP download avg :         6.03         5.83 Mbits/s         301
> TCP download sum :        48.24        46.65 Mbits/s         301
> TCP download::1  :         6.03         5.83 Mbits/s         298
> TCP download::2  :         6.03         5.83 Mbits/s         297
> TCP download::3  :         6.03         5.83 Mbits/s         297
> TCP download::4  :         6.03         5.83 Mbits/s         298
> TCP download::5  :         6.03         5.83 Mbits/s         298
> TCP download::6  :         6.03         5.83 Mbits/s         298
> TCP download::7  :         6.03         5.83 Mbits/s         297
> TCP download::8  :         6.03         5.83 Mbits/s         298
> 
> 
> flent -H 192.168.1.2 tcp_1up &
> Data file written to ./tcp_1up-2019-01-15T223704.711193.flent.gz.
> Summary of tcp_1up test run at 2019-01-16 03:37:04.711193:
> 
>                           avg       median          # data pts
> Ping (ms) ICMP :         0.79         0.73 ms              342
> TCP upload     :        48.12        46.69 Mbits/s         294
> 
> 
> 
> IP2:
> flent -H 192.168.1.2 tcp_1down &
> Data file written to ./tcp_1down-2019-01-15T223705.693550.flent.gz.
> Summary of tcp_1down test run at 2019-01-16 03:37:05.693550:
> 
>                           avg       median          # data pts
> Ping (ms) ICMP :         0.77         0.69 ms              341
> TCP download   :        48.10        46.65 Mbits/s         300
> 
> 
> flent -H 192.168.1.2 tcp_8up &
> Data file written to ./tcp_8up-2019-01-15T223706.706614.flent.gz.
> Summary of tcp_8up test run at 2019-01-16 03:37:06.706614:
> 
>                           avg       median          # data pts
> Ping (ms) ICMP :         0.74         0.70 ms              341
> TCP upload avg :         6.03         5.83 Mbits/s         301
> TCP upload sum :        48.25        46.63 Mbits/s         301
> TCP upload::1  :         6.04         5.86 Mbits/s         226
> TCP upload::2  :         6.03         5.86 Mbits/s         226
> TCP upload::3  :         6.03         5.86 Mbits/s         226
> TCP upload::4  :         6.03         5.86 Mbits/s         225
> TCP upload::5  :         6.03         5.86 Mbits/s         226
> TCP upload::6  :         6.03         5.86 Mbits/s         226
> TCP upload::7  :         6.03         5.78 Mbits/s         220
> TCP upload::8  :         6.03         5.88 Mbits/s         277
> 
> 
> <tcp_8up-2019-01-15T223706.706614.flent.gz><tcp_8down-2019-01-15T223703.709305.flent.gz><tcp_1up-2019-01-15T223704.711193.flent.gz><tcp_1down-2019-01-15T223705.693550.flent.gz>



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