[dtn-interest] NeighborhoodRouter

Hello folks,

Some of you may have noticed that there is a new router in the CVS.

The NeighborhoodRouter is very simple. It listens to ContactUpEvent and ContactDownEvent, and automatically adds routes to all the detected next-hop neighbors. To set up a NeighborhoodRouter, put this in your dtn.conf:

route set type neighborhood

This router is embarrassingly simple in operation, and of course it works only for one-hop "routing", but at least it's handy for testing and the occasional demo.

Since NeighborhoodRouter inherits from BundleRouter (which has all the StaticBundleRouter functionality built in), one might hope that the NeighborhoodRouter also supports static routes. Haven't tested this yet.

Theoretically, the neighborhood router should make life a bit easier for other convergence layers than the Ethernet convergence layer too: as long as a link is declared for the next hop, there's no need to declare a route for the same next hop. Again, this only works for one-hop "routing", and again, I haven't attempted this sort of setup yet.

Enjoy,

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