Date: Tue, 13 May 2008 05:53:12 -0500 From: eculp <eculp@encontacto.net> To: Rainer Duffner <rainer@ultra-secure.de> Cc: freebsd-mobile <freebsd-mobile@freebsd.org> Subject: Re: I would appreciate an opinion from someone with internal network wireless voice and data experience Message-ID: <20080513055312.109759abuxovntc8@intranet.encontacto.net> In-Reply-To: <AC17C891-F61F-4D4B-B9AA-2E14D376D8DB@ultra-secure.de> References: <20080512103944.15946437959uuh8o@intranet.encontacto.net> <AC17C891-F61F-4D4B-B9AA-2E14D376D8DB@ultra-secure.de>
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Hi, Rainer. Quoting Rainer Duffner <rainer@ultra-secure.de>: > > Am 12.05.2008 um 17:39 schrieb eculp: > >> > > [...wireless office...] > >> >> I'm asking this because this is the first time I have seen anyone >> trying to do a 100% wireless office and the idea is cool but only >> if it works;) > > > Indeed. I'm no expert in wireless stuff either, but I know a couple > of things for sure: > - it's a shared medium. Like original ethernet. So, bandwidth is > limited, unlike in a switched ethernet, where it depends mostly on > the backplane-bandwidth of the switch That is the base of the problem. > - whatever you do with your APs/Repeaters - they all share the same > spectrum (shared medium, see above) > > Who sold them on this "wireless everything stuff"? > I hope it wasn't you ;-) No just the opposite, they asked my opinion because of the difficulty and cost of wiring the antique building and I told them - NO - in no uncertain terms. The contractor and his technical sub-contractor sold them a dream. Dreams are soooo much easier to sell than reality;) Plus I told them that if they did it to be sure that the contract contain basically a satisfaction guaranteed or money back clause and they were romanced out of that also. >> More general information: >> >> The individual workstations will be running freebsd or maybe one of >> the pc versions. I haven't tried them. Initially there will be >> about 25 of them so they could be used as repeaters, I guess. >> >> The reason for the type of construction and the disregard for FCC >> on output is that I'm not in the US. >> >> The telephone equipment is linksys SPA941 that I don't find in >> there page anymore. Maybe it was discontinued for technical >> reasons. Haven't checked that yet. >> >> If this doesn't work the solution is to wire all that is not that >> easy or inexpensive now the the remodeling is completed. > Indeed. > But wireless is not meant to shuffle around big amounts of data. At > least, last time I looked. Maybe it has changed with Draft-N - but > there are no drivers (yet) for Draft-N in FreeBSD anyway, and it's > still a shared-medium. > Back when we had 10BaseT, files were also much smaller, nobody was > sending around 20 MB PPT presentations and downloading a DVD ISO in > 3 hours would have been an out-of-body experience. Rainer, thanks again for your common sense look at the problem. Since I am basically forcing them to wire at probably double the original cost, I, like your mentioning, "the last time I looked", want to be sure that I'm not missing something that has changed. ed
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