From: Georgios Amanakis <gamanakis@gmail.com>
To: Pete Heist <peteheist@gmail.com>
Cc: Cake List <cake@lists.bufferbloat.net>
Subject: Re: [Cake] cake flenter results round 1
Date: Mon, 27 Nov 2017 14:06:06 -0500 [thread overview]
Message-ID: <CACvFP_iYD5uvduznp6tKnx+HgmeMxJ7Hv1HHCtLxp8jtCngULw@mail.gmail.com> (raw)
In-Reply-To: <46889DF8-0D83-4729-A7D7-70CE7E599685@gmail.com>
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I reran the test under different cake setup at the server.
----------------------
With "ethernet":
qdisc cake 800f: root refcnt 2 bandwidth 900Mbit diffserv3 dual-dsthost rtt
100.0ms noatm overhead 38 via-ethernet mpu 84
Client A:
avg median # data pts
Ping (ms) ICMP : 0.12 0.08 ms 350
TCP download : 439.82 417.15 Mbits/s 301
Client B:
avg median # data pts
Ping (ms) ICMP : 0.09 0.06 ms 350
TCP download avg : 36.73 34.76 Mbits/s 301
TCP download sum : 440.72 417.15 Mbits/s 301
TCP download::1 : 36.71 34.76 Mbits/s 301
TCP download::10 : 36.75 34.76 Mbits/s 301
TCP download::11 : 36.70 34.76 Mbits/s 301
TCP download::12 : 36.75 34.76 Mbits/s 301
TCP download::2 : 36.77 34.76 Mbits/s 301
TCP download::3 : 36.71 34.76 Mbits/s 301
TCP download::4 : 36.75 34.76 Mbits/s 301
TCP download::5 : 36.73 34.76 Mbits/s 301
TCP download::6 : 36.68 34.76 Mbits/s 301
TCP download::7 : 36.74 34.76 Mbits/s 301
TCP download::8 : 36.74 34.76 Mbits/s 301
TCP download::9 : 36.69 34.76 Mbits/s 301
----------------------
With "ethernet lan":
qdisc cake 8010: root refcnt 2 bandwidth 900Mbit diffserv3 dual-dsthost rtt
1.0ms noatm overhead 38 via-ethernet mpu 84
Client A:
avg median # data pts
Ping (ms) ICMP : 0.28 0.27 ms 350
TCP download : 333.33 311.52 Mbits/s 301
Client B:
avg median # data pts
Ping (ms) ICMP : 0.26 0.23 ms 350
TCP download avg : 43.12 42.19 Mbits/s 301
TCP download sum : 517.41 506.28 Mbits/s 301
TCP download::1 : 43.59 42.16 Mbits/s 301
TCP download::10 : 43.13 42.23 Mbits/s 301
TCP download::11 : 43.12 42.22 Mbits/s 301
TCP download::12 : 43.10 42.13 Mbits/s 301
TCP download::2 : 43.21 42.18 Mbits/s 301
TCP download::3 : 42.94 42.17 Mbits/s 301
TCP download::4 : 43.04 42.12 Mbits/s 301
TCP download::5 : 43.17 42.16 Mbits/s 301
TCP download::6 : 43.01 42.12 Mbits/s 301
TCP download::7 : 43.04 42.17 Mbits/s 301
TCP download::8 : 42.96 42.17 Mbits/s 301
TCP download::9 : 43.10 42.20 Mbits/s 301
----------------------
With "ethernet rtt 10ms":
qdisc cake 8011: root refcnt 2 bandwidth 900Mbit diffserv3 dual-dsthost rtt
10.0ms noatm overhead 38 via-ethernet mpu 84
Client A:
avg median # data pts
Ping (ms) ICMP : 0.16 0.13 ms 350
TCP download : 428.05 417.06 Mbits/s 301
Client B:
avg median # data pts
Ping (ms) ICMP : 0.14 0.10 ms 350
TCP download avg : 35.86 34.76 Mbits/s 301
TCP download sum : 430.30 417.14 Mbits/s 301
TCP download::1 : 35.93 34.77 Mbits/s 301
TCP download::10 : 35.78 34.76 Mbits/s 301
TCP download::11 : 35.90 34.77 Mbits/s 301
TCP download::12 : 35.88 34.76 Mbits/s 301
TCP download::2 : 35.77 34.76 Mbits/s 300
TCP download::3 : 35.77 34.76 Mbits/s 300
TCP download::4 : 36.00 34.77 Mbits/s 301
TCP download::5 : 35.83 34.76 Mbits/s 301
TCP download::6 : 35.74 34.76 Mbits/s 301
TCP download::7 : 35.91 34.76 Mbits/s 301
TCP download::8 : 35.89 34.77 Mbits/s 301
TCP download::9 : 35.90 34.76 Mbits/s 301
----------------------
Conclusions:
1) "ethernet" does not seem to make a difference.
2) "lan" deteriorates fairness, probably due to kernel timing limitations
as suggested before
3) "rtt 10ms" restores fairness
George
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next prev parent reply other threads:[~2017-11-27 19:06 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-27 11:04 Pete Heist
2017-11-27 11:10 ` Toke Høiland-Jørgensen
2017-11-27 11:12 ` Pete Heist
2017-11-27 12:18 ` Jonathan Morton
2017-11-27 13:05 ` Pete Heist
2017-11-27 14:01 ` Jonathan Morton
2017-11-27 14:07 ` Pete Heist
2017-11-27 14:34 ` Pete Heist
2017-11-27 14:48 ` Jonathan Morton
2017-11-27 15:53 ` Pete Heist
2017-11-27 16:17 ` Georgios Amanakis
2017-11-27 17:32 ` Pete Heist
2017-11-27 17:33 ` Dave Taht
2017-11-27 17:34 ` Sebastian Moeller
2017-11-27 17:38 ` Dave Taht
2017-11-27 17:50 ` Pete Heist
2017-11-27 17:35 ` Pete Heist
2017-11-27 18:13 ` Dave Taht
2017-11-27 18:21 ` Pete Heist
2017-11-27 18:45 ` Pete Heist
2017-11-27 19:06 ` Georgios Amanakis [this message]
2017-11-27 20:37 ` Toke Høiland-Jørgensen
2017-11-27 20:50 ` Dave Taht
2017-11-27 20:53 ` Pete Heist
2017-11-27 21:08 ` Toke Høiland-Jørgensen
2017-11-27 21:17 ` Pete Heist
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