From: Mikael Abrahamsson <swmike@swm.pp.se>
To: Michael Welzl <michawe@ifi.uio.no>
Cc: Dave Taht <dave.taht@gmail.com>,
ECN-Sane <ecn-sane@lists.bufferbloat.net>
Subject: Re: [Ecn-sane] osx ecn
Date: Tue, 27 Aug 2019 09:02:09 +0200 (CEST) [thread overview]
Message-ID: <alpine.DEB.2.20.1908270900080.21548@uplift.swm.pp.se> (raw)
In-Reply-To: <4471314E-BACE-4EEA-B954-9795833764E3@ifi.uio.no>
On Tue, 27 Aug 2019, Michael Welzl wrote:
> run it as root - strange, yes, but then the output is very different.
Thanks, indeed.
$ sudo netstat -sp tcp | egrep 'CE|EC'
11097 client connections attempted to negotiate ECN
4864 client connections successfully negotiated ECN
3800 times graceful fallback to Non-ECN connection
467 times lost ECN negotiating SYN, followed by retransmission
52 server connections attempted to negotiate ECN
52 server connections successfully negotiated ECN
0 time lost ECN negotiating SYN-ACK, followed by retransmission
427 times received congestion experienced (CE) notification
0 time CWR was sent in response to ECE
6111 times sent ECE notification
15 connections received CE atleast once
0 connection received ECE atleast once
267 connections using ECN have seen packet loss but no CE
1 connection using ECN have seen packet loss and CE
14 connections using ECN received CE but no packet loss
14 connections fell back to non-ECN due to SYN-loss
1 connection fell back to non-ECN due to reordering
0 connection fell back to non-ECN due to excessive CE-markings
--
Mikael Abrahamsson email: swmike@swm.pp.se
next prev parent reply other threads:[~2019-08-27 7:02 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-27 2:03 Dave Taht
2019-08-27 6:47 ` Mikael Abrahamsson
2019-08-27 6:54 ` Michael Welzl
2019-08-27 7:02 ` Mikael Abrahamsson [this message]
2019-08-27 18:20 ` Dave Taht
2019-08-27 18:36 ` Dave Taht
2019-08-27 19:00 ` Michael Welzl
2019-08-28 23:29 ` Ryan Mounce
2019-08-28 23:45 ` Dave Taht
2019-08-29 0:55 ` Dave Taht
2019-08-29 3:28 ` Mikael Abrahamsson
2019-08-29 4:43 ` Dave Taht
2019-08-29 10:30 ` Mikael Abrahamsson
2019-08-29 8:08 ` Jonathan Morton
2019-08-29 10:39 ` Ryan Mounce
2019-08-27 6:58 ` Sebastian Moeller
2019-08-27 7:05 ` Jonathan Morton
2019-08-27 7:52 ` Sebastian Moeller
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