Date: Wed, 14 Nov 2012 18:01:07 -0800 From: Adrian Chadd <adrian@freebsd.org> To: Ed Kikkert <ed@kikkert-online.nl> Cc: freebsd-wireless@freebsd.org Subject: Re: Network Event Kit serving 750+ devices at ApacheCon2012 Message-ID: <CAJ-Vmo=336QiO5eWkrK96Tn0KzDHmdJUQQEAngshaFHZBrg8GQ@mail.gmail.com> In-Reply-To: <B789641E-D2A6-40A4-8B0D-5829FF2FE530@kikkert-online.nl> References: <B789641E-D2A6-40A4-8B0D-5829FF2FE530@kikkert-online.nl>
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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 <ed@kikkert-online.nl> 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"
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