Charles,
On the basis that there is some distance involved ; (an assumption)
My understanding is that some of the cheaper (dlink in particular) wireless gear has 'timing issues' when the A/Ps are physically far apart.
In the extreme, you will have to go to a proprietry fix, viz turbocell, or replace the A/Ps with something a little more tolerant of distance.
802.11 was never intended to travel great distances. Indeed it was part of the 802.11 specification to actually prevent (ha ha) this from happening - the reason for the proprietry RF connectors.
In summary, many standard 802.11 wireless cards will do great distances without getting flaky, but I have heard that the dlink gear is not of that category. Other cards such the Orinoco PC-cards combined with turbocell work very well indeed at distances up to 20km, and provide true data rates in the order of 9MBit/sec (I am told). I don't like the idea of proprietry *anything*, and I wish there was an open-source 'turbocell'.
Hmm...I hadn't been aware of the distance issue, but I can see where it could potentially be a problem.
I doubt, however, that this is much of a problem in my instance. While it is a point-point link, the distance is about 1/2 a block (maybe 400-500 feet, or about 130m).
If anything, I think my main issue is multi-path, other 2.4 GHz transmitters nearby, or some other environmental issue. I'm still trying to get access to a spectrum analyzer to do a proper site survey.
In answer to your question, I do not think there is a device you can put on the ends of a leaky hose - to make the hose not leak.
The "hose will still leak", but packet loss in conventional TCP networking signals network congestion, and triggers exponential backoff. I have bandwidth to spare over the wireless link, and am looking for something that makes the link-layer "TCP aware" (or puts a TCP aware "wrapper" around the link, since I don't have direct access to the wireless firmware), as discussed in literature for improving TCP performance over wireless networks...something like the LL-TCP-Aware or LL-SMART-TCP-Aware link protocols in:
http://www.stanford.edu/~amaaron/ee359/ee359_tcpproj.pdf
I just don't know if anyone's written anything like this for linux that I can try to use...
-- Charles Steinkuehler [EMAIL PROTECTED]
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