Re: WaveLAN application

Erik Walthinsen (omega@cse.ogi.edu)
Sun, 27 Sep 1998 00:00:09 -0700 (PDT)


On Sun, 27 Sep 1998, Jim Flowers wrote:

> IP address must be routed to you as WaveLAN ISA cards do not bridge. ISP
> should understand what this means.

To be more specific, you must treat the WaveLAN network as a separate
physical sub-net, as should be obvious. The other issue is specific to
the WaveLAN network: without an access point, you're going to have an
ad-hoc network.

What this means is that for the spread-spectrum modems to work properly,
every node in the network must be able to talk to every other node.
Obviously, this is not possible with an omni in the middle and a bunch of
directional antennae pointing at it. The immediatele solution is to put a
real access point at the center of your network. That will add a
significant amount to your total cost, since you need the access point as
well as a PCMCIA WaveLAN card to put in it, and since all the wavelan-1
stuff is no longer being built, you might have some difficulty locating a
wavelan-1 PCMCIA card.

On the other hand, I'm working on a project in the Portland, OR area to
connect a number of homes to the 'net via high-speed RA-DSL connections,
and 'wire' everyone else with WaveLAN ISA cards, which I have a large
stock of. I'll be hitting the exact same problem, with no possiblity of
getting an access point.

So, as soon as I finish my current driver project (rewriting the bttv
driver for a new API), I'm going to delve into the WaveLAN driver more
in-depth than my last reading of them, restructure them, add 802.11
support as soon as the WaveLAN guys in Utrecht actually wake up and send
me some e-mail (that part is 'sponsored' by my employer), and try to add
some code to make the cards act like access points on their own.

If anyone is interested in the above tasks, either helping out, testing,
or just listening, there's a majordomo managed mailing list called
wavelan@cse.ogi.edu (mail majordomo@cse.ogi.edu, body 'subscribe wavelan')
that you can sign onto. No traffic yet, but there will be shortly.

TTYAL,
Omega

Erik Walthinsen <omega@cse.ogi.edu> - Staff Programmer @ OGI
Quasar project - http://www.cse.ogi.edu/DISC/projects/quasar/
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