From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from bifrost.lang.hm (lang.hm [66.167.227.134]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 3847F3B2B0; Thu, 23 Jun 2016 16:35:59 -0400 (EDT) Received: from asgard.lang.hm (asgard.lang.hm [10.0.0.100]) by bifrost.lang.hm (8.13.4/8.13.4/Debian-3) with ESMTP id u5NKZsiW023985; Thu, 23 Jun 2016 13:35:54 -0700 Date: Thu, 23 Jun 2016 13:35:54 -0700 (PDT) From: David Lang X-X-Sender: dlang@asgard.lang.hm To: Bob McMahon cc: Dave Taht , make-wifi-fast@lists.bufferbloat.net, "cerowrt-devel@lists.bufferbloat.net" In-Reply-To: Message-ID: References: User-Agent: Alpine 2.02 (DEB 1266 2009-07-14) MIME-Version: 1.0 Content-Type: MULTIPART/MIXED; BOUNDARY="680960-2109914301-1466714154=:2044" Subject: Re: [Cerowrt-devel] [Make-wifi-fast] more well funded attempts showing market demand for better wifi X-BeenThere: cerowrt-devel@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: Development issues regarding the cerowrt test router project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 23 Jun 2016 20:35:59 -0000 This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --680960-2109914301-1466714154=:2044 Content-Type: TEXT/PLAIN; format=flowed; charset=ISO-8859-15 Content-Transfer-Encoding: 8BIT When I run the wifi network for the Scale conference, I will put multiple APs in each room. This last year I tried for ~1 per 50-75 seats in theater format (~25-30 in classroom format where there are tables). David Lang On Thu, 23 Jun 2016, Bob McMahon wrote: > An AP per room/area, reducing the tx power (beacon range) has been my > approach and has scaled very well. It does require some wires to each AP > but I find that paying an electrician to run some quality wiring to things > that are to remain stationary has been well worth the cost. > > just my $0.02, > Bob > > On Thu, Jun 23, 2016 at 1:10 PM, David Lang wrote: > >> Well, just using the 5GHz DFS channels in 80MHz or 160 MHz wide chunks >> would be a huge improvement, not many people are using them (yet), and the >> wide channels let you get a lot of data out at once. If everything is >> within a good range of the AP, this would work pretty well. If you end up >> needing multiple APs, or you have many stations, I expect that you will be >> better off with more APs at lower power, each using different channels. >> >> David Lang >> >> >> >> >> On Thu, 23 Jun 2016, Bob McMahon wrote: >> >> Date: Thu, 23 Jun 2016 12:55:19 -0700 >>> From: Bob McMahon >>> To: Dave Taht >>> Cc: make-wifi-fast@lists.bufferbloat.net, >>> "cerowrt-devel@lists.bufferbloat.net" >>> >>> Subject: Re: [Make-wifi-fast] more well funded attempts showing market >>> demand >>> for better wifi >>> >>> >>> hmm, I'm skeptical. To use multiple carriers simultaneously is difficult >>> per RF issues. Even if that is somehow resolved, to increase throughput >>> usually requires some form of channel bonding, i.e. needed on both sides, >>> and brings in issues with preserving frame ordering. If this is just >>> channel hopping, that needs coordination between both sides (and isn't >>> simultaneous, possibly costing more than any potential gain.) An AP only >>> solution can use channel switch announcements (CSA) but there is a cost to >>> those as well. >>> >>> I guess don't see any break though here and the marketing on the site >>> seems >>> to indicate something beyond physics, at least the physics that I >>> understand. Always willing to learn and be corrected if I'm >>> misunderstanding things. >>> >>> Bob >>> >>> On Wed, Jun 22, 2016 at 10:18 AM, Dave Taht wrote: >>> >>> On Wed, Jun 22, 2016 at 10:03 AM, Dave Taht wrote: >>>> >>>>> >>>>> >>>> https://www.kickstarter.com/projects/portalwifi/portal-turbocharged-wifi?ref=backerkit >>>> >>>>> >>>>> "Portal is the first and only router specifically engineered to cut >>>>> through and avoid congestion, delivering consistent, high-performance >>>>> WiFi with greater coverage throughout your home. >>>>> >>>>> Its proprietary spectrum turbocharger technology provides access to >>>>> 300% more of the radio airwaves than any other router, improving >>>>> performance by as much as 300x, and range and coverage by as much as >>>>> 2x in crowded settings, such as city homes and multi-unit apartments" >>>>> >>>>> It sounds like they are promising working DFS support. >>>>> >>>> >>>> It's not clear what chipset they are using (they are claiming wave2) - >>>> but they are at least publicly claiming to be using openwrt. So I >>>> threw in enough to order one for september, just so I could comment on >>>> their kickstarter page. :) >>>> >>>> I'd have loved to have got in earlier (early shipments are this month >>>> apparently), but those were sold out. >>>> >>>> >>>> >>>> https://www.kickstarter.com/projects/portalwifi/portal-turbocharged-wifi/comments >>>> >>>> >>>> >>>>> -- >>>>> Dave Täht >>>>> Let's go make home routers and wifi faster! With better software! >>>>> http://blog.cerowrt.org >>>>> >>>> >>>> >>>> >>>> -- >>>> Dave Täht >>>> Let's go make home routers and wifi faster! With better software! >>>> http://blog.cerowrt.org >>>> _______________________________________________ >>>> Make-wifi-fast mailing list >>>> Make-wifi-fast@lists.bufferbloat.net >>>> https://lists.bufferbloat.net/listinfo/make-wifi-fast >>>> >>>> >> _______________________________________________ >> Make-wifi-fast mailing list >> Make-wifi-fast@lists.bufferbloat.net >> https://lists.bufferbloat.net/listinfo/make-wifi-fast >> >> > --680960-2109914301-1466714154=:2044--