From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from secmail.pch.net (secmail.pch.net [206.220.231.87]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id D9E9B3CB37 for ; Thu, 22 Feb 2024 18:31:22 -0500 (EST) Received: from secmail.pch.net (localhost [127.0.0.1]) by secmail.pch.net (Postfix) with ESMTP id 4TgqCZ00BQz4xVVJ for ; Thu, 22 Feb 2024 15:31:21 -0800 (PST) Authentication-Results: secmail.pch.net (amavisd-new); dkim=pass reason="pass (just generated, assumed good)" header.d=pch.net DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=pch.net; h= x-mailer:to:references:message-id:date:in-reply-to:from:subject :mime-version:content-type; s=secmail_dkim; t=1708644681; x= 1711236682; bh=ROfcbXIGZ5lXxyIVblFMs9DrGfkGzwugGCcQYiTURRo=; b=z ohR19wfrXmFnZuz+sV/YMBMo9ykMiVESFUPRoAFnn1RrU1bNcPg0OKEeG42UjhmO JKr5JDnvZZSKOgm4UE1WEAZBuRUHHj302G9uCUjmrmmX+vMSceqq/BkMBYqD5BiJ BTzx0p5j9mSoC7jcB0VD/HZ5Ev7fqciEPNVGkSWMp8bL6LSHzZ1qCEG9tpXU+0Oh QG4Hdrzo4gaqCmhHj59eMRVIFSsttCmfwt3r8nlrq86RTxtrXYhlVNom1Bh5F9d5 rJNYDbbQjws6qkaUytWcJrdvBKYz9KtUCPIKP7Ui3uStD4I6imkbv5xL1ED0Byp5 ijn4nkn52Ia2SN0kaMY3g== X-Virus-Scanned: amavisd-new at secmail.pch.net Received: from secmail.pch.net ([127.0.0.1]) by secmail.pch.net (secmail.pch.net [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id b0B5HQJKbLrl for ; Thu, 22 Feb 2024 15:31:21 -0800 (PST) Received: from smtpclient.apple (itv-02 [69.166.14.6]) by secmail.pch.net (Postfix) with ESMTPSA id 4TgqCX3j8Jz4xVTj; Thu, 22 Feb 2024 15:31:20 -0800 (PST) Content-Type: multipart/signed; boundary="Apple-Mail=_9F842C82-4305-4A26-87C2-1A4AAB07C858"; protocol="application/pgp-signature"; micalg=pgp-sha256 Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3774.500.171.1.1\)) From: Bill Woodcock In-Reply-To: Date: Fri, 23 Feb 2024 00:31:18 +0100 Cc: rjmcmahon , Brent Legg Message-Id: <71924C54-A1AA-421F-B9A3-738DC04E8412@pch.net> References: To: =?utf-8?Q?Network_Neutrality_is_back!_Let=C2=B4s_make_the_technical_as?= =?utf-8?Q?pects_heard_this_time!?= X-Mailer: Apple Mail (2.3774.500.171.1.1) Subject: Re: [NNagain] The Whys of the Wichita IXP Project X-BeenThere: nnagain@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: =?utf-8?q?Network_Neutrality_is_back!_Let=C2=B4s_make_the_technical_aspects_heard_this_time!?= List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 22 Feb 2024 23:31:23 -0000 --Apple-Mail=_9F842C82-4305-4A26-87C2-1A4AAB07C858 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 > On Feb 22, 2024, at 19:58, rjmcmahon via Nnagain = wrote: > Boston University spent $305M on this and it doesn't have an IXP. > = https://www.bu.edu/articles/2022/center-for-computing-and-data-sciences-ph= oto-essay/ > It's like building a magnificent train station w/o any tracks to/fro = the station. Most datacenters don=E2=80=99t contain IXPs, and most IXPs aren=E2=80=99t = located in datacenters. It=E2=80=99s very financially advantageous for = a neutral multi-tenant datacenter to contain an IXP, but generally much = less advantageous for an IXP to be located in a datacenter. Datacenters = tend to concentrate content, but that content can be transported to an = IXP over just a few strands of fiber. Whereas eyeballs have to be = physically aggregated, and that=E2=80=99s over thousands of strands, so = the average distance to eyeballs matters, whereas the average distance = to content just doesn=E2=80=99t have a significant multiplier on it, and = the content is portable anyway. The optimum location for an IXP is in a = city center, whereas the optimum location for a datacenter (all = political, zoning, and real-estate factors considered) is typically in = an industrial park well outside the city core. Lots of organizations need a datacenter for their own use, and = universities are typical in that. It doesn=E2=80=99t mean that they=E2=80= =99d make sense as locations for an IXP, unless they=E2=80=99re also = aggregating a lot of eyeball fiber for some reason. -Bill --Apple-Mail=_9F842C82-4305-4A26-87C2-1A4AAB07C858 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEm6XJ0FdpKWJHso4lb6RwSyiLf4cFAmXX2UYACgkQb6RwSyiL f4fO0w/8DThkzX0gq/4JCvGp2flcGJUEQ+iaM9jZyRMFnVf8ihc/omO5mGT2py3m +lehUj2pjFJ90UPmkHREwgNJIbGqyI847NySGVXpwMDgM0cJBNTHn3UiJ5E4d5yH Vb5mye7yws1sfuWYoke0UWN5KVda/8yLT2h93qW9ffvC9bJ8zI0jSE2cJ1EIp1hf DSZ/G2Wb69Q6Zy6hTG5XIE2k5eyiakmqqoN3PdDMiqqyaBW6iscAQ4dMYTdgGIwk 8zfCPCRwpGGvzvcVO4ULKa1jPLwduQ/b3btDIXVeuTnRUpW3J9KpKEhi6KhZFZiN MdGzhBWg5phICjfMI6vc9sB0EpfXtRBur66XqldnxBFfRlrWqDAp8BQYO4gR9s/8 zv6KWwaep6NSZ6tQWMf5e9R2w2p+/El4MCBvFw4w8MqCo8FhG+hu7Aywj8FrmSrX eCOQQbLBlwddBjyAdSDOyfYPX2Ko0RTa7qgqRDaoIhzXcxSmXfzR8KP0dBGsZJOI m0itWXb0pglEXwuqZPU55UNuxoq+7IiX63BBVmG9RSDYm8WNcpQ4zqUJToeNRlAs tmWkaZeQPnqNiaMMpvnth6PeauFqBzui4dg/VAsRMt2QWv3RCcM15IUdqAhsz382 iesmqEuonrK4vng0vAOBjQW6rcWKOP7fAuTxp2n+YKIJNVjBPxE= =U3CH -----END PGP SIGNATURE----- --Apple-Mail=_9F842C82-4305-4A26-87C2-1A4AAB07C858--