From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lj1-x22b.google.com (mail-lj1-x22b.google.com [IPv6:2a00:1450:4864:20::22b]) (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 59BC03CB37 for ; Wed, 20 Mar 2019 16:05:28 -0400 (EDT) Received: by mail-lj1-x22b.google.com with SMTP id x13so3383347ljj.5 for ; Wed, 20 Mar 2019 13:05:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=oRog4h/7qXSmN+rxsRVRugA2dkF2/6n/pt2mt9Jd2yM=; b=atEskTI2Ba2f3Np3N2MS8s2qrpRpKpVAaR8lpduSgDECc4wjoW2Ww0JxeHGXGJzZX9 F1AVknIVKyI3vKGjaHNwVLVuMv83oB+o3QUHBE9Hva+7fLqVtNySGJGJvFbhbG8zNfqo fY2X+YsNmGCZsU4RF9CZ+dzLfeMhJUD5V2e1GZS0Fpmaa8oeIEswk4G4hD4hzoL3XYo+ 6B8KmHzkK6IXaNfrtdzZGi8cIpOv5e5sZ13gyKmFCzlJypGyfxLKX+Kv3gYMQWwETvai +kmScOv80ErRFG7CV2y95CALjtk/+PrYeB78h/G4qdxvKnHCGpnZeqEBls/D4jnyK774 DX/Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=oRog4h/7qXSmN+rxsRVRugA2dkF2/6n/pt2mt9Jd2yM=; b=to4n2a/naTDE2jBrP3y404fQB8rH5OzKISVge5slJMNu9g7v0CMeOQ6BEYcdmZ+lMX Mr8BzrQP7r5A7BD/5Te+7HZPhy33j0+zFHFT1LOK7Esg5pGW99ArFOOmWLpJIIg2xcM0 K7Lnv2R74Tfru2cWEa0s7MCVI7YYgty6qKu1fpIER1qKvUNT3zmG7LQflekkekeDIVaT F+vvY2u5i027Ud8ENxvPHLEx70ZSd0zJdHYt9BQNQuvV452NUotgVmT2jMs5wppx9+Ly bf9gVg3iB3FzRk92H4E5aIb8BOyX8BXXuTrQMGR3Xh0JaBvP1VCiCFOAC6mMaA9LRa7v mCnQ== X-Gm-Message-State: APjAAAUL/VpWo3RWNy54983jOHF8DOwNrnNbSk+5QbjDx8knueRUPv9q 6H31EKm7IJB1g5YaDJudJ0g= X-Google-Smtp-Source: APXvYqw5qddMmeFqEV5tjzNzxURWlGyw+ERdX5WjoWwruvj/s9MesBm1YhNtMhHuC4REWLdAnx+kww== X-Received: by 2002:a2e:711a:: with SMTP id m26mr14605371ljc.40.1553112327311; Wed, 20 Mar 2019 13:05:27 -0700 (PDT) Received: from jonathartonsmbp.lan (83-245-226-9-nat-p.elisa-mobile.fi. [83.245.226.9]) by smtp.gmail.com with ESMTPSA id r1sm538700lfm.7.2019.03.20.13.05.26 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 20 Mar 2019 13:05:26 -0700 (PDT) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 11.5 \(3445.9.1\)) From: Jonathan Morton In-Reply-To: <5C9296E1.4010703@erg.abdn.ac.uk> Date: Wed, 20 Mar 2019 22:05:25 +0200 Cc: "Holland, Jake" , Vint Cerf , tsvwg IETF list , "David P. Reed" , bloat Content-Transfer-Encoding: quoted-printable Message-Id: References: <1E80578D-A589-4CA0-9015-B03B63042355@gmx.de> <27FA673A-2C4C-4652-943F-33FAA1CF1E83@gmx.de> <1552669283.555112988@apps.rackspace.com> <7029DA80-8B83-4775-8261-A4ADD2CF34C7@akamai.com> <1552846034.909628287@apps.rackspace.com> <5458c216-07b9-5b06-a381-326de49b53e0@bobbriscoe.net> <5C9296E1.4010703@erg.abdn.ac.uk> To: gorry@erg.abdn.ac.uk X-Mailer: Apple Mail (2.3445.9.1) Subject: Re: [Bloat] [tsvwg] [Ecn-sane] [iccrg] Fwd: [tcpPrague] Implementation and experimentation of TCP Prague/L4S hackaton at IETF104 X-BeenThere: bloat@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: General list for discussing Bufferbloat List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 20 Mar 2019 20:05:28 -0000 > On 20 Mar, 2019, at 9:39 pm, Gorry Fairhurst = wrote: >=20 > Concerning "Maximize Throughput", if you don't need scalability to = very high rates, then is your requirement met by TCP-like semantics, as = in TCP with SACK/loss or even better TCP with ABE/ECT(0)? My intention with "Maximise Throughput" is to support the bulk-transfer = applications that TCP is commonly used for today. In Diffserv = terminology, you may consider it equivalent to "Best Effort". As far as I can see, L4S offers "Maximise Throughput" and "Minimise = Latency" services, but not the other two. - Jonathan Morton