From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from eu1sys200aog123.obsmtp.com (eu1sys200aog123.obsmtp.com [207.126.144.155]) (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 396F421F25D for ; Tue, 27 May 2014 03:45:24 -0700 (PDT) Received: from mail.la.pnsol.com ([89.145.213.110]) (using TLSv1) by eu1sys200aob123.postini.com ([207.126.147.11]) with SMTP ID DSNKU4RsvZQgaEV5siUKi9GDa8HPQ+95TzVK@postini.com; Tue, 27 May 2014 10:45:24 UTC Received: from [172.20.5.238] (helo=roam.smtp.pnsol.com) by mail.la.pnsol.com with esmtp (Exim 4.76) (envelope-from ) id 1WpEse-0006S0-4K; Tue, 27 May 2014 11:45:16 +0100 Received: from [172.20.5.110] by roam.smtp.pnsol.com with esmtpsa (TLS1.0:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from ) id 1WpEsc-000049-DA; Tue, 27 May 2014 10:45:15 +0000 Content-Type: multipart/signed; boundary="Apple-Mail=_43AD73D4-60EA-48C6-8047-4B2F78F87926"; protocol="application/pgp-signature"; micalg=pgp-sha256 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Neil Davies In-Reply-To: Date: Tue, 27 May 2014 11:45:12 +0100 Message-Id: <6A1B2B32-DC32-41D8-9BA3-57E28DD18F64@pnsol.com> References: To: Hagen Paul Pfeifer X-Mailer: Apple Mail (2.1878.2) Cc: bloat@lists.bufferbloat.net Subject: Re: [Bloat] ipspace.net: "QUEUING MECHANISMS IN MODERN SWITCHES" 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: Tue, 27 May 2014 10:45:25 -0000 --Apple-Mail=_43AD73D4-60EA-48C6-8047-4B2F78F87926 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Of course it misses out the first principle. in non discarding scheduling total delay is conserved, = irrespective of the scheduling discipline (there is a similar statement when discarding is taking place). Neil On 27 May 2014, at 09:21, Hagen Paul Pfeifer wrote: > Details are missing, like line card buffering mechanisms, line card > buffer management, ... anyway: >=20 > = http://blog.ipspace.net/2014/05/queuing-mechanisms-in-modern-switches.html= >=20 > Hagen > _______________________________________________ > Bloat mailing list > Bloat@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/bloat --Apple-Mail=_43AD73D4-60EA-48C6-8047-4B2F78F87926 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - http://gpgtools.org iF4EAREIAAYFAlOEbLkACgkQJLPLuiuo8FKzeAD/R1iCTJn88FBCinRjq/3TX1yU L8/a23ihPSpHCZPrGSMA/0deNG7NxPEHnQUidhPhPeb1vVDjvwvryHOIPXn1NWr3 =kw8g -----END PGP SIGNATURE----- --Apple-Mail=_43AD73D4-60EA-48C6-8047-4B2F78F87926--