Thanks for the info ! This is good news, as it means that schools up to a hundred students should work right now, given a school server and three active antennas...
wad On Mar 2, 2008, at 7:05 PM, Chris Ball wrote: > Hi, > > Daf and I got the school server jabberd/shared roster working today. > We connected/registered 32 laptops to it with mesh TTL set to 1 for > broadcast, and they were all able to see and join a shared chat > session > with each other. The workload on the spectrum analyzer increased from > 18% (no-one connected) to 26% (all connected). The chat session is > consistent -- no-one is dropping out and new messages are seen by each > laptop, with a few seconds of lag. > > With the mass chat session still running, we shared a 500KiB PDF. > First > we joined the shared Read session with one laptop, and the download > took > 16 seconds to complete. We then joined two more laptops at once, the > first download took 26 seconds and the second finished at 30 seconds. > Five more at once: all finished around 1m00s. Ten more at once: the > first finished at 2m18s, the last finished at 2m40s. There were no > failures downloading the PDF. The sharing was unicast TCP, with mesh > TTL set to 1, which explains the slightly worse than linear > increase in > download time for more laptops downloading at once. > > This is much more anecdotal than the full test plan, but we thought > the > testers currently in Peru would want to know what they can expect from > the school server setup ASAP. We don't have more laptops upgraded and > ready to join the network yet, but we don't have any reason to believe > we've saturated the network -- with the PDFs downloaded and Chat still > running, the duty cycle on the spectrum analyzer is now at 28%. (In > general, wireless networks seem to start degrading around 40%.) > > - Chris and Daf. > -- > Chris Ball <[EMAIL PROTECTED]> > _______________________________________________ > Devel mailing list > Devel@lists.laptop.org > http://lists.laptop.org/listinfo/devel _______________________________________________ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
