Re: WiFi on the Sounder ...

At 05:52 PM 3/22/2005 -0800, Casey Halverson wrote:
>On Tue, 22 Mar 2005 10:17:32 -0800, David Huseby <[email protected]> wrote:
>> -]  Michael, Peter, and I are now operating a node on the
>> -]  Tacoma Sounder.
>> -]  If you ride this train, take note to its operation times on the
>> -]  TacomaSounderNode wiki
>> 
>> Hrm, my home on Scenic Hill in Kent has direct LoS to the sounder train
>> for about 1 minute as it passes from Auburn into Kent.  It'd be
>> interesting if we could get more nodes along the rail line and
>> experiment with "Tarzanning" from node to node and trying to keep
>> internet sessions alive (similar to the way a cel phone jumps from tower
>> to tower without dropping a call.)
>> 
>> I guess it would be similar to mesh networking except that the internode
>> links would traverse the internet if they weren't linked wirelessly.
>> That would be a challenging routing problem.
>
>You could also create a virtual "DS" across the various nodes with
>bridging (ick).
>
>Ideally, you would want some "special" software here...something that
>would have its graps into the 802.11 MAC and ability to distribute to
>other nodes so you really knew where to forward the traffic to.  Sort
>of a smart mobile ip.

Personally, I've been the most impressed by the roaming solution presented
on these pages, as it doesn't require any special client-side software:

http://www.sown.org.uk/index.php/TransparentMobility
http://www.slyware.com/projects_tmip.shtml
http://sourceforge.net/projects/tmip

The only catch with this project is it looks orphaned...the last update was
in mid-2003.  Nonetheless, the design is worthy of review and further
development.
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