From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io1-xd34.google.com (mail-io1-xd34.google.com [IPv6:2607:f8b0:4864:20::d34]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id DC0073B2A4 for ; Mon, 26 Aug 2019 22:03:30 -0400 (EDT) Received: by mail-io1-xd34.google.com with SMTP id e20so42357030iob.9 for ; Mon, 26 Aug 2019 19:03:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to :content-transfer-encoding; bh=tyF+It3enjp6ABYBcjYPAFqEWf4IBw20NMGNKc5oVwE=; b=AWySIhQGVb/U4nukZwAHlMsspAEGZ75czZCNi7u6R1thyQ0/6C8sps4UKGbJmR4p+s hiblSBXGhnGXeBtsvetNzhodWWNpkZJnlqVW5mh0Hu/iKfR5G/CzHfXJgydrikhkb8Od rZFMdNstS8PfqiUkj3TvrDB+QdbzKgF7AVww2lPCapsBKqDtXGI/I6qaw773Ui89wBdl WFPeFZJqiRrm69sHY7/EJxkLnpJSdxEWgxxudxHbNl2M//NYevPxqGQbThFnAZiWunKx OAR3sq0BkbT/k4763lw4F9nTQt34t86CPC3c3B2WbFQ3tECp8yGv8vQGqKwDzF+vqAXA ZDuQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to :content-transfer-encoding; bh=tyF+It3enjp6ABYBcjYPAFqEWf4IBw20NMGNKc5oVwE=; b=MOs8H15mk5Sr5CHcBlYjWXxYdb4hcyqr/QE9Bps/7xZB+wgYDNKaWc6yaUl/jcyvxF D6GNjeA+VMu/ZjgFjWuyOUPMzLzit/0R9Ru35N3jtne8a1nYoKebK9ZlDUXgzfLtUQTO KQVxhJiR4nAmNbGs/56PylWwmmCAf9ydmipHtfUNGfF0QGuoO3Je42O+BjXxbYggE83g R2SC8Dv2PZJVnP8oGEBBAG1rIMLUJpF1YiKTDPc6AXVQqvBhif0RNHsSeLm/l+3LR0NF TgqZn4OxF+Y49ZqJQ++SKjKPUHpQYXC2bBYnu68y0R/txijTWe/J4Tjc8hyjs6MRjGkL zgrg== X-Gm-Message-State: APjAAAVrOFrWefYl4oWGXQetYh7CXwqNgU+SnO7IqKKXqSoxEUrpjqSg 3nvcIRyma3ORpcCJ3FxrqX+0cyqXi57dIe2bZDQzsY4vMis= X-Google-Smtp-Source: APXvYqzEwikmbqEJ0vkLcR2o9NRpB3s9O0U6D/Eu5T4rTThusbSX+TIVeAMmLOH0Eue0Ups/XgeNVUKjN3EvDhvQwyw= X-Received: by 2002:a05:6638:45:: with SMTP id a5mr20188166jap.61.1566871409959; Mon, 26 Aug 2019 19:03:29 -0700 (PDT) MIME-Version: 1.0 From: Dave Taht Date: Mon, 26 Aug 2019 19:03:18 -0700 Message-ID: To: ECN-Sane Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Subject: [Ecn-sane] osx ecn X-BeenThere: ecn-sane@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: Discussion of explicit congestion notification's impact on the Internet List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 27 Aug 2019 02:03:31 -0000 netstat -sp tcp has all kinds of useful stats 7174 client connections attempted to negotiate ECN 4407 client connections successfully negotiated ECN 2192 times graceful fallback to Non-ECN connection 2053 times lost ECN negotiating SYN, followed by retransmis= sion ?? 0 server connection attempted to negotiate ECN 0 server connection successfully negotiated ECN 0 time lost ECN negotiating SYN-ACK, followed by retransmis= sion 90 times received congestion experienced (CE) notification 0 time CWR was sent in response to ECE 3298 times sent ECE notification 25 connections received CE atleast once 0 connection received ECE atleast once 830 connections using ECN have seen packet loss but no CE 12 connections using ECN have seen packet loss and CE 13 connections using ECN received CE but no packet loss 9 connections fell back to non-ECN due to SYN-loss 135 connections fell back to non-ECN due to reordering 0 connection fell back to non-ECN due to excessive CE-marki= ngs --=20 Dave T=C3=A4ht CTO, TekLibre, LLC http://www.teklibre.com Tel: 1-831-205-9740