[dtn-interest] dtntunnel UDP-over-DTN forwarder

Hi there,

Some of you may have noticed that there's a new app in the CVS. dtntunnel can play two roles: sender or receiver. The naming is a bit confusing, please suggest better names if you have any ideas.

Sender: listens to a local UDP port, puts the entire UDP packet in a bundle, and sends it off to the specified DTN peer.

dtntunnel -r s -p <dtn peer>/dtntunnel -s <local port>

Receiver: registers with the local DTNServer, sends the content of any received bundles to the specified address:port, using UDP.

dtntunnel -r r -p <dtn peer>/dtntunnel -d <destination host:port>

This little app needs some polishing, perhaps more than "some", but at least it seems to do its job reasonably well. Should work on any router/convergence layer, have only tested on Neighborhood and Ethernet.

This app's reason for existence is that there are potential users of this implementation that have UDP sources and sinks, and using a tunnel is more expedient than rewriting their apps for explicit DTN support. It's ugly, but in their case, it will work.

Do you need help?
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Yours truly,

Jakob Eriksson
Ph.D. Candidate
http://www.cs.ucr.edu/~jeriksson