From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from copdcmhout01.cable.comcast.com (copdcmhout01.cable.comcast.com [162.150.44.71]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by huchra.bufferbloat.net (Postfix) with ESMTPS id 44CE421FD44 for ; Fri, 7 Aug 2015 07:13:23 -0700 (PDT) X-AuditID: a2962c47-f79726d000003585-be-55c4bd016ae9 Received: from copdcexhub04.cable.comcast.com (dlpemail-po-4p.sys.comcast.net [10.147.120.19]) (using TLS with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by copdcmhout01.cable.comcast.com (SMTP Gateway) with SMTP id 3B.36.13701.10DB4C55; Fri, 7 Aug 2015 08:13:22 -0600 (MDT) Received: from COPDCEX46.cable.comcast.com (147.191.125.145) by copdcexhub04.cable.comcast.com (147.191.109.24) with Microsoft SMTP Server (TLS) id 14.3.181.6; Fri, 7 Aug 2015 08:13:21 -0600 Received: from COPDCEX45.cable.comcast.com (147.191.125.144) by COPDCEX46.cable.comcast.com (147.191.125.145) with Microsoft SMTP Server (TLS) id 15.0.1044.25; Fri, 7 Aug 2015 08:13:20 -0600 Received: from COPDCEX45.cable.comcast.com ([fe80::3aea:a7ff:fe36:8aa0]) by COPDCEX45.cable.comcast.com ([fe80::3aea:a7ff:fe36:8aa0%15]) with mapi id 15.00.1044.021; Fri, 7 Aug 2015 08:13:20 -0600 From: "Livingood, Jason" To: Dave Taht , bloat Thread-Topic: [Bloat] Fwd: Did *bufferbloat* cause the 2010 flashcrash? Thread-Index: AQHQzZt8PTfNJAVizkG6wDEGmdBUzJ36bguAgAZOroA= Date: Fri, 7 Aug 2015 14:13:20 +0000 Message-ID: References: <4EDA85BE-CD86-4DA9-8ED5-78500E858F79@baylink.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/14.4.8.150116 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [68.87.29.9] Content-Type: text/plain; charset="iso-8859-1" Content-ID: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-CFilter-Loop: Forward X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrJIsWRmVeSWpSXmKPExsXCNblCWJdp75FQg8fSFv2/7rM6MHpsv3iG KYAxissmJTUnsyy1SN8ugSujZdNNxoK93BV3rvSzNzCe5exi5OSQEDCR2HLmCxOELSZx4d56 ti5GLg4hge1MEkcOLIdyDjFK3L7wiRXOudz4nBnCOcEosfTeSbB+NgEbienbjjKD2CICHhIP VnUB2RwcwgJuEm+W10OE3SUOrlvMCmFbSVx8uoEdxGYRUJE4PGUWWCuvgL3E5ynXWUBsIYFW RolV911BxnAKBEoc6fcBCTMCXfr91BqwrcwC4hK3nsyH+kBAYsme88wQtqjEy8f/wFaJCuhJ HJr1kQUibiCxdek+KFtOYtnPO8wQc/QkbkydwgayilnAQeLcrCyIsLbEsoWvoS4TlDg58wnU ZXoSl3ZdZocYIy5x+MgO1gmMMrOQXDQLydRZCFNnIZk6C8nUBYysqxjlkvMLUpJzM/JLSwwM 9ZITk3JS9ZLzc5MTi0tA9CZGYIQvmqbjvoPxQq/zIUYBDkYlHl6+3iOhQqyJZcWVucC44WBW EuFdtA0oxJuSWFmVWpQfX1Sak1p8iFGag0VJnHdGxqFQIYH0xJLU7NTUgtQimCwTB6dUA2NG kbsbm7e3/GslPfsLTR0J4vsXFZeukJhyJNLHcA1nvcay+Ks/5iziTlsnFB13z7hv0TZlDe9L CtO4xJxeWf7Q3piT8K2n8HSn+JayuQmN0o0rXr1fW3jY1GVxnYi16xVdzmXpTb+92T+YnJGb cMd75tWZoTJM/jaZAj+dSvqK+Vx2KHlKKrEUZyQaajEXFScCAM5kbkDsAgAA Subject: Re: [Bloat] Fwd: Did *bufferbloat* cause the 2010 flashcrash? X-BeenThere: bloat@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: General list for discussing Bufferbloat List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 07 Aug 2015 14:13:52 -0000 There are a lot of possibilities related to buffer bloat and other network performance issues. For example, at Comcast where I work, I have come to suspect that buffer bloat was behind the degradation of VoIP (e.g. Vonage) while customers were using BitTorrent (which led the company down a bad path to try to fix it but that=B9s a long story). http://www.zdnet.com/article/some-vonage-users-are-frustrated-about-comcast -connection-quality/ JL On 8/3/15, 5:54 AM, "Dave Taht" wrote: >food for thought. > > >---------- Forwarded message ---------- >From: Jay Ashworth >Date: Mon, Aug 3, 2015 at 5:19 AM >Subject: Did *bufferbloat* cause the 2010 flashcrash? >To: nanog@nanog.org > > >This guy seems to think so, and his arguments seem pretty convincing >to me, but I don't understand the financial system as well as I might. > >yarchive.net/blog/computers/flash_crash.html > >Gettys is namechecked in the piece. > >Cheers, >-- jra >-- >Sent from my Android phone with K-9 Mail. Please excuse my brevity. > > >--=20 >Dave T=E4ht >worldwide bufferbloat report: >http://www.dslreports.com/speedtest/results/bufferbloat >And: >What will it take to vastly improve wifi for everyone? >https://plus.google.com/u/0/explore/makewififast >_______________________________________________ >Bloat mailing list >Bloat@lists.bufferbloat.net >https://lists.bufferbloat.net/listinfo/bloat