From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from resqmta-po-11v.sys.comcast.net (resqmta-po-11v.sys.comcast.net [IPv6:2001:558:fe16:19:96:114:154:170]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id EE6AA3CB39 for ; Sun, 1 Aug 2021 16:13:29 -0400 (EDT) Received: from resomta-po-04v.sys.comcast.net ([96.114.154.228]) by resqmta-po-11v.sys.comcast.net with ESMTP id AHlPmcw5NGk1lAHpwm23bu; Sun, 01 Aug 2021 20:13:28 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=comcastmailservice.net; s=20180828_2048; t=1627848808; bh=ULbtNhxn2IMDhitxLWXSKjZDDLtfPK8xKxNYeEAw4lQ=; h=Received:Received:Received:Subject:To:From:Message-ID:Date: MIME-Version:Content-Type; b=TGSlTRX9SnWudwWxwU+hzO9D8HC8t+jNinO/Yn6IcZNhLQ7oDyabCd38kZEnr9CH+ +msgwkTy4Wfui3QXguhg+ft9lU+zCU85LqbDdttqK58+B5+ds7G0BFfFJ/vOBN91xp qpVmteqpLydGiiJO0zrZjykixOM7a4/4t6bCXJ4xLSKzlhpdJgx14iv3u6jEDaJUbR AiDVvtb+WL5vuz5+Mky5q8di0kMlgMCKHRPWMCB5O9DZOdd2wZhz0w8WaV7Lx3ig7t A8meSBKYFebMql+5DKCVE3F/qlkOH1nHAl7gGqgrWaZct4vlfxfrwikBRMiyg3geaZ XYPjggAvo6Mgg== Received: from home.sewingwitch.com ([IPv6:2601:644:881:42b0::3f1]) by resomta-po-04v.sys.comcast.net with ESMTPA id AHpvmk8NH2iOdAHpwmYcWU; Sun, 01 Aug 2021 20:13:28 +0000 X-Xfinity-VMeta: sc=0.00;st=legit Received: from [10.96.7.39] ([10.96.7.39]) (authenticated bits=0) by home.sewingwitch.com (8.14.7/8.14.7) with ESMTP id 171KDPH1002398 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Sun, 1 Aug 2021 13:13:25 -0700 DKIM-Filter: OpenDKIM Filter v2.11.0 home.sewingwitch.com 171KDPH1002398 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sewingwitch.com; s=default; t=1627848805; bh=ULbtNhxn2IMDhitxLWXSKjZDDLtfPK8xKxNYeEAw4lQ=; h=Subject:To:References:From:Date:In-Reply-To:From; b=UsK++zSnr/+MhkBjz4rXBGCTmJJMN4tHzRhTZ9WwZezKo/z9k1T5uC8MfedQljBNY QF6kxY1Guu2+wq5yUxiuyisdsyrJkmFGLNceDLjJ1KTpWVy7ropJJOruVnLBYOBnHD Ud3XzwkRPR2ay83v1PAZ11QxTRNYc0Z9uiIMbvaM= To: bloat@lists.bufferbloat.net References: From: Kenneth Porter Message-ID: Date: Sun, 1 Aug 2021 13:13:23 -0700 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.12.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-GB X-Scanned-By: MIMEDefang 2.84 on 10.96.0.132 Subject: Re: [Bloat] Of interest: Comcast AQM Paper 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: Sun, 01 Aug 2021 20:13:30 -0000 On 7/31/2021 3:55 PM, Neal Cardwell via Bloat wrote: > FWIW, from the paper it sounds like not all Comcast cable modems > had/have PIE, which enabled the A/B experiment: > > "10. Latency Measurement Results > As explained earlier, for two variants of XB6 cable modem gateway, > upstream DOCSIS-PIE AQM was enabled on the CGM4140COM (experiment) > variant but was not available on the TG3482G (control) variant during > the measurement period. The TG3482G variant used a buffer control > configuration that predated AQM in DOCSIS." For Comcast: Mine is a TG1682G, which I'm betting lacks PIE. So how do we get an upgrade? It's running in bridge mode so I can run my own DHCP server and override the default Comcast DNS servers, allowing me to use local names in my network. I run my own OpenWRT router behind it to do that. I'd love to eliminate the extra hop so how about giving us more control over the integrated DHCP(6) server? Let me override the options, both defaults and in fixed MAC-based assignments.