From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.taht.net (mail.taht.net [176.58.107.8]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 09B503B29D for ; Thu, 30 Jan 2020 17:28:08 -0500 (EST) Received: from dancer.taht.net (unknown [IPv6:2601:646:8301:676f:eea8:6bff:fefe:9a2]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.taht.net (Postfix) with ESMTPSA id 8B6CD2286B; Thu, 30 Jan 2020 22:28:07 +0000 (UTC) From: Dave Taht To: Rich Brown Cc: make-wifi-fast@lists.bufferbloat.net References: <69103D46-8F04-4468-802B-142CC2DABF0F@gmail.com> <0928D44A-4F3A-462D-854E-91B653E40B1C@gmail.com> Date: Thu, 30 Jan 2020 14:28:05 -0800 In-Reply-To: <0928D44A-4F3A-462D-854E-91B653E40B1C@gmail.com> (Rich Brown's message of "Mon, 27 Jan 2020 09:20:41 -0500") Message-ID: <87a764ziiy.fsf@taht.net> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Subject: Re: [Make-wifi-fast] Wi-Fi 6 - how many of our assumptions does it violate? X-BeenThere: make-wifi-fast@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 30 Jan 2020 22:28:09 -0000 Rich Brown writes: >> On Jan 24, 2020, at 9:06 AM, Rich Brown wrote: >> >> I saw this overview of the now-in-testing Wi-Fi 6 at >> https://www.howtogeek.com/368332/wi-fi-6-what%E2%80%99s-different-and-why-it-matters/ >> >> Its multiple MIMO streams and maybe talking to multiple devices at a >> time seem as if they might be outside the assumptions we use. > > It's worse than I thought. I just watched this explainer video from > ExtremeNetworks: https://www.youtube.com/watch?v=owBrkFk9afM > > If I understand correctly, they want the AP to solve a hard > (bin-packing) problem, in real-time, with unclear rules for maximizing > client goals (should the VoIP packet go first?). And no mention of > airtime fairness or latency... > > Or am I missing something? Thanks. No, they punted on these things in the design. > > Rich > _______________________________________________ > Make-wifi-fast mailing list > Make-wifi-fast@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/make-wifi-fast