From: Sebastian Moeller <moeller0@gmx.de>
To: rjmcmahon <rjmcmahon@rjmcmahon.com>
Cc: dan <dandenson@gmail.com>, Jeremy Austin <jeremy@aterlo.com>,
Rpm <rpm@lists.bufferbloat.net>,
libreqos <libreqos@lists.bufferbloat.net>,
Dave Taht via Starlink <starlink@lists.bufferbloat.net>,
bloat <bloat@lists.bufferbloat.net>
Subject: Re: [Rpm] [Starlink] [LibreQoS] [EXTERNAL] Re: Researchers Seeking Probe Volunteers in USA
Date: Mon, 13 Mar 2023 19:51:58 +0100 [thread overview]
Message-ID: <CDB29430-5B84-450C-8D89-E9FE3CCA6471@gmx.de> (raw)
In-Reply-To: <5e7fac51071bdbb20837e72e7eedfc7c@rjmcmahon.com>
Hi Bob,
> On Mar 13, 2023, at 19:42, rjmcmahon <rjmcmahon@rjmcmahon.com> wrote:
>
>> [SM] not really, given enough capacity, typical streaming protocols
>> will actually not hit the ceiling, at least the one's I look at every
>> now and then tend to stay well below actual capacity of the link.
> I think DASH type protocol will hit link peaks. An example with iperf 2's burst option a controlled WiFi test rig, server side first.
[SM] I think that depends, each segment has only a finite length and if this can delivered before slow start ends that burst might never hit the capacity?
Regards
Sebastian
>
>
> [root@ctrl1fc35 ~]# iperf -s -i 1 -e --histograms
> ------------------------------------------------------------
> Server listening on TCP port 5001 with pid 23764
> Read buffer size: 128 KByte (Dist bin width=16.0 KByte)
> Enabled receive histograms bin-width=0.100 ms, bins=10000 (clients should use --trip-times)
> TCP window size: 128 KByte (default)
> ------------------------------------------------------------
> [ 1] local 192.168.1.15%enp2s0 port 5001 connected with 192.168.1.234 port 34894 (burst-period=1.00s) (trip-times) (sock=4) (peer 2.1.9-rc2) (icwnd/mss/irtt=14/1448/5170) on 2023-03-13 11:37:24.500 (PDT)
> [ ID] Burst (start-end) Transfer Bandwidth XferTime (DC%) Reads=Dist NetPwr
> [ 1] 0.00-0.13 sec 10.0 MBytes 633 Mbits/sec 132.541 ms (13%) 209=29:31:31:88:11:2:1:16 597
> [ 1] 1.00-1.11 sec 10.0 MBytes 755 Mbits/sec 111.109 ms (11%) 205=34:30:22:83:11:2:6:17 849
> [ 1] 2.00-2.12 sec 10.0 MBytes 716 Mbits/sec 117.196 ms (12%) 208=33:39:20:81:13:1:5:16 763
> [ 1] 3.00-3.11 sec 10.0 MBytes 745 Mbits/sec 112.564 ms (11%) 203=27:36:30:76:6:3:6:19 828
> [ 1] 4.00-4.11 sec 10.0 MBytes 787 Mbits/sec 106.621 ms (11%) 193=29:26:19:80:10:4:6:19 922
> [ 1] 5.00-5.11 sec 10.0 MBytes 769 Mbits/sec 109.148 ms (11%) 208=36:25:32:86:6:1:5:17 880
> [ 1] 6.00-6.11 sec 10.0 MBytes 760 Mbits/sec 110.403 ms (11%) 206=42:30:22:73:8:3:5:23 860
> [ 1] 7.00-7.11 sec 10.0 MBytes 775 Mbits/sec 108.261 ms (11%) 171=20:21:21:58:12:1:11:27 895
> [ 1] 8.00-8.11 sec 10.0 MBytes 746 Mbits/sec 112.405 ms (11%) 203=36:31:28:70:9:3:2:24 830
> [ 1] 9.00-9.11 sec 10.0 MBytes 748 Mbits/sec 112.133 ms (11%) 228=41:56:27:73:7:2:3:19 834
> [ 1] 0.00-10.00 sec 100 MBytes 83.9 Mbits/sec 113.238/106.621/132.541/7.367 ms 2034=327:325:252:768:93:22:50:197
> [ 1] 0.00-10.00 sec F8(f)-PDF: bin(w=100us):cnt(10)=1067:1,1083:1,1092:1,1105:1,1112:1,1122:1,1125:1,1126:1,1172:1,1326:1 (5.00/95.00/99.7%=1067/1326/1326,Outliers=0,obl/obu=0/0) (132.541 ms/1678732644.500333)
>
>
> [root@fedora ~]# iperf -c 192.168.1.15 -i 1 -t 10 --burst-size 10M --burst-period 1 --trip-times
> ------------------------------------------------------------
> Client connecting to 192.168.1.15, TCP port 5001 with pid 132332 (1 flows)
> Write buffer size: 131072 Byte
> Bursting: 10.0 MByte every 1.00 second(s)
> TOS set to 0x0 (Nagle on)
> TCP window size: 16.0 KByte (default)
> Event based writes (pending queue watermark at 16384 bytes)
> ------------------------------------------------------------
> [ 1] local 192.168.1.234%eth1 port 34894 connected with 192.168.1.15 port 5001 (prefetch=16384) (trip-times) (sock=3) (icwnd/mss/irtt=14/1448/5489) (ct=5.58 ms) on 2023-03-13 11:37:24.494 (PDT)
> [ ID] Interval Transfer Bandwidth Write/Err Rtry Cwnd/RTT(var) NetPwr
> [ 1] 0.00-1.00 sec 10.0 MBytes 83.9 Mbits/sec 80/0 0 5517K/18027(1151) us 582
> [ 1] 1.00-2.00 sec 10.0 MBytes 83.9 Mbits/sec 80/0 0 5584K/13003(2383) us 806
> [ 1] 2.00-3.00 sec 10.0 MBytes 83.9 Mbits/sec 80/0 0 5613K/16462(962) us 637
> [ 1] 3.00-4.00 sec 10.0 MBytes 83.9 Mbits/sec 80/0 0 5635K/19523(671) us 537
> [ 1] 4.00-5.00 sec 10.0 MBytes 83.9 Mbits/sec 80/0 0 5594K/10013(1685) us 1047
> [ 1] 5.00-6.00 sec 10.0 MBytes 83.9 Mbits/sec 80/0 0 5479K/14008(654) us 749
> [ 1] 6.00-7.00 sec 10.0 MBytes 83.9 Mbits/sec 80/0 0 5613K/17752(283) us 591
> [ 1] 7.00-8.00 sec 10.0 MBytes 83.9 Mbits/sec 80/0 0 5599K/17743(436) us 591
> [ 1] 8.00-9.00 sec 10.0 MBytes 83.9 Mbits/sec 80/0 0 5577K/11214(2538) us 935
> [ 1] 9.00-10.00 sec 10.0 MBytes 83.9 Mbits/sec 80/0 0 4178K/7251(993) us 1446
> [ 1] 0.00-10.01 sec 100 MBytes 83.8 Mbits/sec 800/0 0 4178K/7725(1694) us 1356
> [root@fedora ~]#
>
> Note: Client side output is being updated to support outputs based upon the bursts. This allows one to see that a DASH type protocol can drive the bw bottleneck queue.
>
> Bob
>
next prev parent reply other threads:[~2023-03-13 18:52 UTC|newest]
Thread overview: 148+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <mailman.2651.1672779463.1281.starlink@lists.bufferbloat.net>
[not found] ` <1672786712.106922180@apps.rackspace.com>
[not found] ` <F4CA66DA-516C-438A-8D8A-5F172E5DFA75@cable.comcast.com>
2023-01-09 15:26 ` [Rpm] [Starlink] " Dave Taht
2023-01-09 17:00 ` Sebastian Moeller
2023-01-09 17:04 ` [Rpm] [LibreQoS] " Jeremy Austin
2023-01-09 18:33 ` Dave Taht
2023-01-09 18:54 ` [Rpm] [EXTERNAL] " Livingood, Jason
2023-01-09 19:19 ` rjmcmahon
2023-01-09 19:56 ` [Rpm] [LibreQoS] " dan
2023-01-09 21:00 ` rjmcmahon
2023-03-13 10:02 ` Sebastian Moeller
2023-03-13 15:08 ` [Rpm] [Starlink] [LibreQoS] [EXTERNAL] " Jeremy Austin
2023-03-13 15:50 ` Sebastian Moeller
2023-03-13 16:06 ` [Rpm] [Bloat] " Dave Taht
2023-03-13 16:19 ` Sebastian Moeller
2023-03-13 16:12 ` [Rpm] " dan
2023-03-13 16:36 ` Sebastian Moeller
2023-03-13 17:26 ` dan
2023-03-13 17:37 ` Jeremy Austin
2023-03-13 18:34 ` Sebastian Moeller
2023-03-13 18:14 ` Sebastian Moeller
2023-03-13 18:42 ` rjmcmahon
2023-03-13 18:51 ` Sebastian Moeller [this message]
2023-03-13 19:32 ` rjmcmahon
2023-03-13 20:00 ` Sebastian Moeller
2023-03-13 20:28 ` rjmcmahon
2023-03-14 4:27 ` [Rpm] On FiWi rjmcmahon
2023-03-14 11:10 ` [Rpm] [Starlink] " Mike Puchol
2023-03-14 16:54 ` Robert McMahon
2023-03-14 17:06 ` Robert McMahon
2023-03-14 17:11 ` [Rpm] [Bloat] " Sebastian Moeller
2023-03-14 17:35 ` Robert McMahon
2023-03-14 17:54 ` [Rpm] [LibreQoS] " dan
2023-03-14 18:14 ` Robert McMahon
2023-03-14 19:18 ` dan
2023-03-14 19:30 ` [Rpm] [Bloat] [LibreQoS] " Dave Taht
2023-03-14 20:06 ` rjmcmahon
2023-03-14 19:30 ` [Rpm] [LibreQoS] [Bloat] " rjmcmahon
2023-03-14 23:30 ` [Rpm] [Starlink] [LibreQoS] [Bloat] " Bruce Perens
2023-03-15 0:11 ` Robert McMahon
2023-03-15 5:20 ` Bruce Perens
2023-03-15 16:17 ` Aaron Wood
2023-03-15 17:05 ` Bruce Perens
2023-03-15 17:44 ` rjmcmahon
2023-03-15 19:22 ` [Rpm] [Bloat] [Starlink] [LibreQoS] " David Lang
2023-03-15 17:32 ` [Rpm] [Starlink] [LibreQoS] [Bloat] " rjmcmahon
2023-03-15 17:42 ` dan
2023-03-15 19:33 ` [Rpm] [Bloat] [Starlink] [LibreQoS] " David Lang
2023-03-15 19:39 ` Dave Taht
2023-03-15 21:52 ` David Lang
2023-03-15 22:04 ` Dave Taht
2023-03-15 22:08 ` dan
2023-03-15 17:43 ` Sebastian Moeller
2023-03-15 17:49 ` rjmcmahon
2023-03-15 17:53 ` Dave Taht
2023-03-15 17:59 ` dan
2023-03-15 19:39 ` rjmcmahon
2023-03-17 16:38 ` [Rpm] [Starlink] " Dave Taht
2023-03-17 18:21 ` Mike Puchol
2023-03-17 19:01 ` Sebastian Moeller
2023-03-17 19:19 ` rjmcmahon
2023-03-17 20:37 ` Bruce Perens
2023-03-17 20:57 ` rjmcmahon
2023-03-17 22:50 ` Bruce Perens
2023-03-18 18:18 ` rjmcmahon
2023-03-18 19:57 ` [Rpm] [LibreQoS] " dan
2023-03-18 20:40 ` rjmcmahon
2023-03-19 10:26 ` [Rpm] [Starlink] [LibreQoS] " Michael Richardson
2023-03-19 21:00 ` [Rpm] On metrics rjmcmahon
2023-03-20 0:26 ` dan
2023-03-20 3:03 ` [Rpm] [Starlink] " David Lang
2023-03-20 20:46 ` [Rpm] [Starlink] [LibreQoS] On FiWi Frantisek Borsik
2023-03-20 21:28 ` dan
2023-03-20 21:38 ` Frantisek Borsik
2023-03-20 22:02 ` [Rpm] On FiWi power envelope rjmcmahon
2023-03-20 23:47 ` [Rpm] [Starlink] " Bruce Perens
2023-03-21 0:10 ` [Rpm] [Starlink] [LibreQoS] On FiWi Brandon Butterworth
2023-03-21 5:21 ` Frantisek Borsik
2023-03-21 11:26 ` [Rpm] Annoyed at 5/1 Mbps Rich Brown
2023-03-21 12:29 ` [Rpm] [Starlink] [LibreQoS] On FiWi Brandon Butterworth
2023-03-21 12:30 ` Sebastian Moeller
2023-03-21 17:42 ` rjmcmahon
2023-03-21 18:08 ` rjmcmahon
2023-03-21 18:51 ` Frantisek Borsik
2023-03-21 19:58 ` rjmcmahon
2023-03-21 20:06 ` [Rpm] [Bloat] " David Lang
2023-03-25 19:39 ` [Rpm] On fiber as critical infrastructure w/Comcast chat rjmcmahon
2023-03-25 20:09 ` [Rpm] [Starlink] " Bruce Perens
2023-03-25 20:47 ` rjmcmahon
2023-03-25 20:15 ` [Rpm] [Bloat] " Sebastian Moeller
2023-03-25 20:43 ` rjmcmahon
2023-03-25 21:08 ` [Rpm] [Starlink] " Bruce Perens
2023-03-25 22:04 ` Robert McMahon
2023-03-25 22:50 ` dan
2023-03-25 23:21 ` Robert McMahon
2023-03-25 23:35 ` [Rpm] [Bloat] [Starlink] " David Lang
2023-03-26 0:04 ` Robert McMahon
2023-03-26 0:07 ` Nathan Owens
2023-03-26 0:50 ` Robert McMahon
2023-03-26 8:45 ` Livingood, Jason
2023-03-26 18:54 ` rjmcmahon
2023-03-26 0:28 ` David Lang
2023-03-26 0:57 ` Robert McMahon
2023-03-25 22:57 ` [Rpm] [Starlink] [Bloat] " Bruce Perens
2023-03-25 23:33 ` [Rpm] [Bloat] [Starlink] " David Lang
2023-03-25 23:38 ` [Rpm] [Starlink] [Bloat] " Robert McMahon
2023-03-25 23:20 ` [Rpm] [Bloat] [Starlink] " David Lang
2023-03-26 18:29 ` rjmcmahon
2023-03-26 10:34 ` [Rpm] [Bloat] " Sebastian Moeller
2023-03-26 18:12 ` rjmcmahon
2023-03-26 20:57 ` David Lang
2023-03-25 20:27 ` [Rpm] " rjmcmahon
2023-03-17 23:15 ` [Rpm] [Bloat] [Starlink] On FiWi David Lang
2023-03-13 19:33 ` [Rpm] [Starlink] [LibreQoS] [EXTERNAL] Re: Researchers Seeking Probe Volunteers in USA dan
2023-03-13 19:52 ` Jeremy Austin
2023-03-13 21:00 ` Sebastian Moeller
2023-03-13 21:27 ` dan
2023-03-14 9:11 ` Sebastian Moeller
2023-03-13 20:45 ` Sebastian Moeller
2023-03-13 21:02 ` [Rpm] When do you drop? Always! Dave Taht
2023-03-13 16:04 ` [Rpm] UnderBloat on fiber and wisps Dave Taht
2023-03-13 16:09 ` Sebastian Moeller
2023-01-09 20:49 ` [Rpm] [EXTERNAL] Re: [Starlink] Researchers Seeking Probe Volunteers in USA Dave Taht
2023-01-09 19:13 ` [Rpm] " rjmcmahon
2023-01-09 19:47 ` Sebastian Moeller
2023-01-11 18:32 ` Rodney W. Grimes
2023-01-11 20:01 ` Sebastian Moeller
2023-01-11 21:46 ` Dick Roy
2023-01-12 8:22 ` Sebastian Moeller
2023-01-12 18:02 ` rjmcmahon
2023-01-12 21:34 ` Dick Roy
2023-01-12 20:39 ` Dick Roy
2023-01-13 7:33 ` Sebastian Moeller
2023-01-13 8:26 ` Dick Roy
2023-01-13 7:40 ` rjmcmahon
2023-01-13 8:10 ` Dick Roy
2023-01-15 23:09 ` rjmcmahon
2023-01-11 20:09 ` rjmcmahon
2023-01-12 8:14 ` Sebastian Moeller
2023-01-12 17:49 ` Robert McMahon
2023-01-12 21:57 ` Dick Roy
2023-01-13 7:44 ` Sebastian Moeller
2023-01-13 8:01 ` Dick Roy
2023-01-09 20:20 ` Dave Taht
2023-01-09 20:46 ` rjmcmahon
2023-01-09 20:59 ` Dave Taht
2023-01-09 21:06 ` rjmcmahon
2023-01-09 21:18 ` rjmcmahon
2023-01-09 21:02 ` Dick Roy
2023-01-10 17:36 ` David P. Reed
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