From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io0-x22f.google.com (mail-io0-x22f.google.com [IPv6:2607:f8b0:4001:c06::22f]) (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 24D263B2A4 for ; Thu, 27 Apr 2017 14:11:35 -0400 (EDT) Received: by mail-io0-x22f.google.com with SMTP id a103so30271146ioj.1 for ; Thu, 27 Apr 2017 11:11:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mithrandi.net; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=2sXPuxZ/x3p7dnL3cLWYm2WmoViRSed6hDROcrq43Ww=; b=bJbXd+NCT8IVbohJfn/eyHpx6LFST9lKb73Z7qHHGSSPcvPO3+h/L3fHFab+9rtzvc cevAD0zMi05EB04PjjlYrtRbDuOp+l20NWfBLgzsqOnW2LRYWUX+ovRLZ7zC0LjB/T5c 1lNXGh7Vgugz9p6Xbekaep35rxC4xc6GO7yD0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=2sXPuxZ/x3p7dnL3cLWYm2WmoViRSed6hDROcrq43Ww=; b=Dk2XNihSxFU+JygxXD02B2Oici88QZodl8GjGoiR0NIvWhAhOP6DXn0wofpBW0aoWi M37i3GOCCayC9So4ZHNsbfE5F10Ubpk8rr3itZOF3orxxTRp6OS53/uCPkJIn2b/oA50 bU7SG+MhdRCDkBMupWpgLPio2ImDleFA0qbhmQjFKrrylwsjOxTfiWFP+9OM29u36ttt azun4/3G0puvJVUSyqEjyY8HDetRBZXW4tchyMKiNTukDNR3VB2mU0fk5yen0Fp8g8sS 2HWf42gl4I0Jyh3Q/Zrcgs32dHCZsVh9TgskBKC5Fj67aj0Q4gdoTiXAuPdcZnqp4zAb jH6A== X-Gm-Message-State: AN3rC/6FLBh6ftaff3y+IbivzoNm7QOPhx/XSq6sHsaqfyxeKHoyhA1z vXUqkNfFKPFpAXNSQjFrrRZ+J7zLqNWz X-Received: by 10.157.40.93 with SMTP id h29mr3188859otd.184.1493316693948; Thu, 27 Apr 2017 11:11:33 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Tristan Seligmann Date: Thu, 27 Apr 2017 18:11:22 +0000 Message-ID: To: cloneman , bloat@lists.bufferbloat.net Content-Type: multipart/alternative; boundary=001a1138e1a2148c41054e29e387 Subject: Re: [Bloat] Steam's download CDNs - breaking bufferbloat and inbound policers 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: Thu, 27 Apr 2017 18:11:35 -0000 --001a1138e1a2148c41054e29e387 Content-Type: text/plain; charset=UTF-8 On Thu, 27 Apr 2017 at 06:19 cloneman wrote: > The behavior can be observed by downloading any free game on their > platform. I'm trying to figure out how they've accomplished this and how to > mitigate this behavior. It operates with 20 http connections > simultaneously, which is normally not an issue (20 multiple web downloads > perform well under fq_codel and 15% reserve bandwidth) > I think it starts new connections quite often as it hops content delivery nodes to find the fastest ones, perhaps this contributes to the problem? --001a1138e1a2148c41054e29e387 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
On Thu, 27 Apr= 2017 at 06:19 cloneman <bu= fferbloat@flamingpc.com> wrote:
The behavior can be observed by downloading any free game on their = platform. I'm trying to figure out how they've accomplished this an= d how to mitigate this behavior. It operates with 20 http connections simul= taneously, which is normally not an issue (20 multiple web downloads perfor= m well under fq_codel and 15% reserve bandwidth)=C2=A0

I think it starts new connections quite often as it= hops content delivery nodes to find the fastest ones, perhaps this contrib= utes to the problem?
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