From owner-freebsd-wireless@FreeBSD.ORG Thu Nov 15 02:01:08 2012 Return-Path: Delivered-To: freebsd-wireless@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 0A0DDCDA for ; Thu, 15 Nov 2012 02:01:08 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-pb0-f54.google.com (mail-pb0-f54.google.com [209.85.160.54]) by mx1.freebsd.org (Postfix) with ESMTP id CDADB8FC0C for ; Thu, 15 Nov 2012 02:01:07 +0000 (UTC) Received: by mail-pb0-f54.google.com with SMTP id wz12so860264pbc.13 for ; Wed, 14 Nov 2012 18:01:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; bh=B5lH4oO3d0Vf5Y64vkgmftNNQ2cp0My10fDMWWnKvF4=; b=JWu0vldkN/dkF6NRqJ+zSjimxAX/vpz30toHp2lP8WqVQhJVRzW7DJ0bOY/WzVPG3h lvIkRk1YRXSWWG6kmWWY/IyEIH+O8uo/u6wfNOloU3dkwwgOlRr2AKwNLIsfv/IYuAql zIN8RHMsN407K+vv1j/CJQHtv7B1JRV9hTlSaeyzvX/7JeOb0/O91JMUIXKH0aN0LSP5 p1SK8pm52snOD1yyPepDCdRB2Gd4074TTMRFlGCBaabAk70CKlPat0Fl0YPdCh3eWKzl eK2PYgdyHRuSm1aLnVsKmY+tdHCCWxxaYSyFk1IFS0xQrlFBla5KKsJzbhqvUZP/uI0e W5tw== MIME-Version: 1.0 Received: by 10.68.251.197 with SMTP id zm5mr76483230pbc.30.1352944867107; Wed, 14 Nov 2012 18:01:07 -0800 (PST) Sender: adrian.chadd@gmail.com Received: by 10.68.124.130 with HTTP; Wed, 14 Nov 2012 18:01:07 -0800 (PST) In-Reply-To: References: Date: Wed, 14 Nov 2012 18:01:07 -0800 X-Google-Sender-Auth: mJDimjdTLti7vLI95qFMQ7I7z3k Message-ID: Subject: Re: Network Event Kit serving 750+ devices at ApacheCon2012 From: Adrian Chadd To: Ed Kikkert Content-Type: text/plain; charset=ISO-8859-1 Cc: freebsd-wireless@freebsd.org X-BeenThere: freebsd-wireless@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Discussions of 802.11 stack, tools device driver development." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 15 Nov 2012 02:01:08 -0000 Hi, That's fantastic news! For those who aren't quite tuned in - they're pushing out FreeBSD-8 on Alix's with Atheros 11abg NICs. No 11n NIC yet unfortunately. Adrian On 13 November 2012 12:01, Ed Kikkert wrote: > During ApacheCon2012 The Network Event Kit has served 750+ devices, > assisted in making ApacheCon2012 a big success. > > Our newly defined small cell approach designed by Marten Vijn > delivered a stable wireless network on both the 2.4Ghz and 5Ghz bands. > Main focus was to reduce the txpower to manageable levels, avoid > overlap and pro-actively design rules for congestion control on the > multiple OSI levels. This all is now implemented and has an proactive > monitoring visualization designed by Rick van der Zwet. > > Having this amount of devices connected to the 20 access points is > causing a lot of local broadcast and multicast traffic filling up the network > stack. This was during the first day growing that in the end it was almost > impossible for other traffic to find it's way to the internet. To stop this we > setup some OpenBSD PF rules on each of the access points and not on > the firewall. > > During the event we got new insights with regards of manageability of > ath(4) devices and their configuration, most worthy noticing are the > finding with regards to the diversity setup of the cards with a single > connected antenna in correlation with the 'stuck baecon; resetting' > errors. Thanks to athstats(8) and other useful debugging tools > provided by Sam Leffner in the FreeBSD source tree. In the next few > weeks we will validate this results and post our findings to the > various open source communities. > > Our newly logistics and deployment approach by Ed Kikkert has tackled > successfully our issues with storage and distribution and greatly > increased our visibility. Main focus was better communication by using > peer-radio-devices and stricter task assignment causing more > efficiently. > > A picture impression made by Roel Guldemond can be found at our new > Network Kit Website (under construction): > http://nek.wifisoft.org/site/node/9 > > Screen dumps from the proactive monitoring visualization made by Rick van der Zwet. > http://bsd.wifisoft.org/svn/projects/nek/images/monitoring/ > > Source code and NanoBSD configuration is found at: > http://bsd.wifisoft.org/svn/projects/nek/events/ApacheCon-2012/ > > All improvements will allows us to start powering 2000+ devices events > Gerard Mourits will be continue his efforts of finding new interesting > events for The Network Event Kit to power. > > The organisation likes to thank NLNet, InfraData and other sponsors > for their continued support and the volunteers for their endeavoured > enthusiasm and enlightening week. > > Best regards, > Ed Kikkert - Secratary of WifiSoft Foundation > _______________________________________________ > freebsd-wireless@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-wireless > To unsubscribe, send any mail to "freebsd-wireless-unsubscribe@freebsd.org"