Douglas Napoleone wrote: > On Tue, Mar 9, 2010 at 12:04 PM, Quentin Wright <[email protected]> wrote: > >> Darren Worrall wrote: >> >>> Hi all, >>> >>> Some notes have been posted about the network at this years Pycon: >>> http://www.tummy.com/Community/Articles/pycon2010-network/ >>> >>> I'm not sure how much of it is relevant to us, or how it compared to >>> last years EP network, but it's worth a read by whoever has >>> responsibility for the network this year - the wireless breakdown is >>> pretty interesting. Headlines: Half of the audience were using >>> 802.11n, 5.2GHz scales better and is much more reliable than 2.4GHz. >>> >>> >> I've been responsible for the tech team at PyConUK and EuroPython for >> the past >> few years. >> >> Initially two bonded ADSL lines were installed by a Guadec Conference >> and taken >> over by us and subsequently the Conservatoire. >> >> At the beginning all cabling and positioning of access points was ad >> hoc, and >> in-fill where coverage was lacking was made during the event. >> >> In recent years the Conservatoire has taken over the infrastructure and >> placed >> access points within ceilings etc. >> >> Last year we were not allowed to have access to the comms room, were not >> given >> passwords to the routers and were not allowed to put flying ethernet >> cables in >> place, and could not fill in holes and in particular couldn't put extra >> access points in the Adrian Boult Hall. All this lead to much frustration. >> >> For this year we are planning to have a completely new set-up with our >> own broadband lines, 802.11n access points and possibly a mesh network, >> or failing that wireless bridging. Ideally this will be independent of >> the Conservatoire's infrastructure. >> >> The PyCon 2010 comments on the reliability of 2.4 GHz are not really >> accurate because as far as I am aware they are still configuring their >> access points with unique essid's, rather than having a single essid >> common to all access points. This means that roaming doesn't work >> properly and in particular the number of dchp requests is excessive. >> > This is incorrect. Unique ssid's were only set up in reaction to > problems, and were set up for 802.11a on the 5Ghz frequency. > All of the 2.4 apps were using the same 'pycon' ID. > > We peaked at around 500 unique people on the wireless, and still > saturating the apps (64 per app). It turns out this is due to those > pesky iPhones which will attempt to connect to all the apps with the > same ID, and use up a slot on all the nearest radios. They would > appear to swap out and not stay connected, but this was causing major > problems. Thus the creation of special extra ID's for people to use. > > -Doug > > Hey Doug,
Good to hear from you, thanks for your update. The info about iPhones is interesting/disturbing! Are you likely to make it across the pond to EuroPython 2010? You'd be most welcome... Q. _______________________________________________ Europython-improve mailing list [email protected] http://mail.python.org/mailman/listinfo/europython-improve
