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 7E3EE3CB38 for ; Tue, 24 Sep 2019 15:20:03 -0400 (EDT) Received: by mail-io1-xd34.google.com with SMTP id c25so7212092iot.12 for ; Tue, 24 Sep 2019 12:20:03 -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=HSajOGdqVWyKoTaSEAmuC/hzUEUkO20pyYyHfyVcEXM=; b=l9FXWrvzT76sXT2sDp3IzsC3LNzEbV698acmb+sFSdxvq2P/2scQzRj1/us6AIf7Gi WATe/RTX/pZJ0MjTFVnyJlx1n+U5gOuFtkEfzzXS0+PXJR4amxG9nGkA/suAKYNQmg0X g4nGoMBlPKBJ0euY2yTFfFedMoSo1b3rb4OyJsZWU1/mJc5+QymPPVUh255q6wgzd0YI tUlkTTLduYtMNXAEoed5GhZ6JLdzUM5orwstH19vMXkiMGneGTB6Z+u/ICzakuXASQZ8 xFkJBQNtwRTGv3l9V4mgN4+9uNr9KjK4qGaYcsUGT7+F5Yfj9FrQpgNoMAjzhoPPkpgF xW5w== 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=HSajOGdqVWyKoTaSEAmuC/hzUEUkO20pyYyHfyVcEXM=; b=UO3Ni+H/3t9W/o5PS4uKUI79Om2OlaYIEUOW2scOq3SUFrO4qnK+CisiJmTSNmoW2f rTANpCGEVuMqJHmiaWEeyAiqKHYyzb7JVzJ4YSxEZLGNHl6+Ueged5OSc7pdpQinG0/k ZJ6j2nUH6AbLVRASGmkHkB/hRxAf9OPogzptIA59e7PtKzGIpFH/OU4dRPHnkOjhb/e5 BdU13af2Tmgel7OOFCHVpyMEoRNX3eHcQuNzgo1kXmrQEsCfgA8wD9mlpRJZmgNnMtxs 86yXo/a9UdPmQKNgH2l2FXiOR9l4HFr563xu6EFXb/hcOy/Gyu9v64zmmrD7U4WJNV0L f1Gg== X-Gm-Message-State: APjAAAUIAr7Z28P3oOa4hKZaIVsSLwHCCZhrV8L2rk1T1LjqoNP1RRRy HdcV4VU5YDPK51LH8Cphe4wRZQSbODOVlWKvXZV7rVoG X-Google-Smtp-Source: APXvYqz75Rr4TOcQroOJSjtBLq5RHtgoV7aw6+CgBa9vyUIAXPEF3d3+hQCmQUao07PmF0xZvYwNknHeX6CStgjIHSQ= X-Received: by 2002:a5d:8911:: with SMTP id b17mr5295804ion.287.1569352802588; Tue, 24 Sep 2019 12:20:02 -0700 (PDT) MIME-Version: 1.0 From: Dave Taht Date: Tue, 24 Sep 2019 12:19:51 -0700 Message-ID: To: ECN-Sane Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Subject: [Ecn-sane] in search of more ecn related data 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, 24 Sep 2019 19:20:03 -0000 I have gradually been accumulating data as to how ecn is currently being used. I'm looking for bigger datasets from outside the US? I have two truly enormous US datasets (backbone packet caps) so far, that I think are going to need some custom tooling to tear apart. I haven't got much further than tcp splitting and then tcpdumping with a filter a few of them, better tools might be needed. Open Questions * How often is it negotiated? ** How often does it fail to be negotiated? * How often - do we see a CE or ECE on those connections? * How often do we see mixed drop and CE/ECE Filters include culling extremely short transactions (or establishing say, short, medium, and long "buckets"), maybe tearing apart via tsde to look at rtts, not sure what else. Mostly just trying to get data from various large chokepoints (and looking for co-authors, mayhap) at the moment. --=20 Dave T=C3=A4ht CTO, TekLibre, LLC http://www.teklibre.com Tel: 1-831-205-9740